//*****************************************************************************
//
//! Paints a menu, menu items on a display.
//!
//! \param psWidget is a pointer to the slide menu widget to be drawn.
//!
//! This function draws the contents of a slide menu on the display. This is
//! called in response to a \b WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
SlideMenuPaint(tWidget *psWidget)
{
tSlideMenuWidget *psMenuWidget;
tContext sContext;
//
// Check the arguments.
//
ASSERT(psWidget);
//
// If this widget has a child widget, that means that the menu has
// slid off the screen and the child widget is in control. Therefore
// there is nothing to paint here. Just exit and the child widget will
// be painted.
//
if(psWidget->psChild)
{
return;
}
//
// Convert the generic widget pointer into a slide menu widget pointer,
// and get a pointer to its context.
//
psMenuWidget = (tSlideMenuWidget *)psWidget;
//
// Initialize a context for the primary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
GrContextInit(&sContext, psMenuWidget->psDisplayA);
//
// Render the menu into the off-screen buffer, using normal vertical
// position.
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Initialize a drawing context for the display where the widget is to be
// drawn. This is the physical display, not an off-screen buffer.
//
GrContextInit(&sContext, psWidget->psDisplay);
//
// Initialize the clipping region on the physical display, based on the
// extents of this widget.
//
GrContextClipRegionSet(&sContext, &(psWidget->sPosition));
//
// Now copy the rendered menu into the physical display. This will show
// the menu on the display.
//
GrImageDraw(&sContext, psMenuWidget->psDisplayA->pvDisplayData,
psWidget->sPosition.i16XMin, psWidget->sPosition.i16YMin);
}
static void draw_usbmouse_slide()
{
const tRectangle rect1 = {50, 48, 430, 228};
const tRectangle rect2 = {51, 49, 429, 227};
GrImageDraw(&sContextUsbMouse, iconHome, 0, 0);
GrImageDraw(&sContextUsbMouse, iconBack, 0, HEIGHT - 60);
GrImageDraw(&sContextUsbMouse, iconNext, WIDTH - 60, HEIGHT - 60);
/* draw special trackpad graphics instead of standard slide layout */
GrContextForegroundSet(&sContextUsbMouse, ClrDarkBlue);
GrRectDraw(&sContextUsbMouse, &rect1);
GrRectDraw(&sContextUsbMouse, &rect2);
GrContextForegroundSet(&sContextUsbMouse, ClrDarkGray);
GrContextFontSet(&sContextUsbMouse, &g_sFontCmss22b);
GrStringDrawCentered(&sContextUsbMouse, "Touch Pad", -1, 240, 140, 0);
GrImageDraw(&sContextUsbMouse, (unsigned char *)usbMouseButtons, 50, 238);
}
int main(void)
{
SysCtlClockSet(SYSCTL_SYSDIV_4|SYSCTL_USE_PLL|SYSCTL_OSC_MAIN|SYSCTL_XTAL_16MHZ);
Kentec320x240x16_SSD2119Init();
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
ClrScreen();
GrImageDraw(&sContext, g_pui8Image, 0, 0);
GrFlush(&sContext);
SysCtlDelay(SysCtlClockGet());
// Later lab steps go between here
ClrScreen();
sRect.i16XMin = 1;
sRect.i16YMin = 1;
sRect.i16XMax = 318;
sRect.i16YMax = 238;
GrContextForegroundSet(&sContext, ClrRed);
GrContextFontSet(&sContext, &g_sFontCmss30b);
GrStringDraw(&sContext, "Texas", -1, 110, 2, 0);
GrStringDraw(&sContext, "Instruments", -1, 80, 32, 0);
GrStringDraw(&sContext, "Graphics", -1, 100, 62, 0);
GrStringDraw(&sContext, "Lab", -1, 135, 92, 0);
GrContextForegroundSet(&sContext, ClrWhite);
GrRectDraw(&sContext, &sRect);
GrFlush(&sContext);
SysCtlDelay(SysCtlClockGet());
GrContextForegroundSet(&sContext, ClrYellow);
GrCircleFill(&sContext, 80, 182, 50);
sRect.i16XMin = 160;
sRect.i16YMin = 132;
sRect.i16XMax = 312;
sRect.i16YMax = 232;
GrContextForegroundSet(&sContext, ClrGreen);
GrRectDraw(&sContext, &sRect);
SysCtlDelay(SysCtlClockGet());
// and here
ClrScreen();
while(1)
{
}
}
//*****************************************************************************
//
//! Paints the strip chart on the display.
//!
//! \param psWidget is a pointer to the strip chart widget to be drawn.
//!
//! This function draws the contents of a strip chart on the display. This is
//! called in response to a \b WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
StripChartPaint(tWidget *psWidget)
{
tStripChartWidget *psChartWidget;
tContext sContext;
//
// Check the arguments.
//
ASSERT(psWidget);
ASSERT(psWidget->psDisplay);
//
// Convert the generic widget pointer into a strip chart widget pointer.
//
psChartWidget = (tStripChartWidget *)psWidget;
//
// Initialize a context for the primary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
ASSERT(psChartWidget->psOffscreenDisplay);
GrContextInit(&sContext, psChartWidget->psOffscreenDisplay);
//
// Render the strip chart into the off-screen buffer
//
StripChartDraw(psChartWidget, &sContext);
//
// Initialize a drawing context for the display where the widget is to be
// drawn. This is the physical display, not an off-screen buffer.
//
GrContextInit(&sContext, psWidget->psDisplay);
//
// Initialize the clipping region on the physical display, based on the
// extents of this widget.
//
GrContextClipRegionSet(&sContext, &(psWidget->sPosition));
//
// Now copy the rendered strip chart into the physical display
//
GrImageDraw(&sContext, psChartWidget->psOffscreenDisplay->pvDisplayData,
psWidget->sPosition.i16XMin, psWidget->sPosition.i16YMin);
}
/*
* ======== grlibTaskFxn ========
* Drawing task
*
* It is pending for the message either from console task or from button ISR.
* Once the messages received, it draws to the screen based on information
* contained in the message.
*/
Void grlibTaskFxn(UArg arg0, UArg arg1)
{
DrawMessage curMsg;
const UChar *pucCurImage;
const Char *pcCurStr;
UInt i = 0;
UInt fontHeight = GrStringHeightGet(&context);
while (TRUE) {
Mailbox_pend(mailboxHandle, &curMsg, BIOS_WAIT_FOREVER);
/* Clear screen before drawing */
clearDisplay();
/* Parse the message and draw */
switch (curMsg.drawCommand) {
case IMAGE:
pucCurImage = image_Gallery[curMsg.drawImageIndex];
/* Draw image at (0,0) */
GrImageDraw(&context, pucCurImage, 0, 0);
break;
case KeyBoadCOMMAND:
output(4,curMsg.draw2048);
break;
case ScreenCOMMAND:
pcCurStr = curMsg.drawString;
GrContextForegroundSetTranslated(&context, 0xFF);
GrStringDraw(&context, pcCurStr, -1, 0, 0, 0);
break;
default:
break;
}
}
}
//*****************************************************************************
//
//! Performs the sliding menu operation, in response to the "left" button.
//!
//! \param psWidget is a pointer to the slide menu widget to move to the left.
//!
//! This function will respond to the "left" key/button event. The left
//! button is used to ascend to the next menu up in the menu tree. The effect
//! is that the current menu, or active widget, slides off to the right, while
//! the parent menu slides in from the left.
//!
//! This function repeatedly draws the menu onto the display until the sliding
//! animation is finished and will not return to the caller until then. This
//! function is usually called from the thread context of
//! WidgetMessageQueueProcess().
//!
//! \return Returns a non-zero value if the menu was moved or was not moved
//! because it is already at the last position. If a child widget is active
//! then this function does nothing and returns a 0.
//
//*****************************************************************************
static int32_t
SlideMenuLeft(tWidget *psWidget)
{
tSlideMenuWidget *psMenuWidget;
tSlideMenu *psMenu;
tSlideMenu *psParentMenu;
tContext sContext;
uint32_t ui32X;
uint32_t ui32MenuWidth;
//
// Get handy pointers to the menu widget and active menu, and the parent
// menu if there is one.
//
psMenuWidget = (tSlideMenuWidget *)psWidget;
psMenu = psMenuWidget->psSlideMenu;
psParentMenu = psMenu->psParent;
//
// Initialize a context for the primary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
GrContextInit(&sContext, psMenuWidget->psDisplayB);
//
// If this widget has a child, that means that the child widget is in
// control, and we are requested to go back to the previous menu item.
// Process the child widget.
//
if(psWidget->psChild)
{
//
// Call the widget de-activated callback function. This notifies the
// application that the widget is being deactivated.
//
if(psMenuWidget->pfnActive)
{
psMenuWidget->pfnActive(psWidget->psChild,
&psMenu->psSlideMenuItems[psMenu->ui32FocusIndex],
0);
}
//
// Unlink the child widget from the slide menu widget. The menu
// widget will now no longer have a child widget.
//
psWidget->psChild->psParent = 0;
psWidget->psChild = 0;
//
// Fill a rectangle with the child widget background color. This will
// erase everything else that is shown on the widget but leave the
// background, which will make the change visually less jarring.
// This is done in off-screen buffer B, which is the buffer that is
// going to be slid off the screen.
//
GrContextForegroundSet(
&sContext,
psMenu->psSlideMenuItems[psMenu->ui32FocusIndex].ui32ChildWidgetColor);
GrRectFill(&sContext, &sContext.sClipRegion);
}
//
// Otherwise there is not a child widget in control, so process the parent
// menu, if there is one.
//
else if(psParentMenu)
{
//
// Render the current menu into the off-screen buffer B. This will be
// the same menu appearance that is currently on the display.
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Now switch the widget to the parent menu
//
psMenuWidget->psSlideMenu = psParentMenu;
}
//
// Otherwise, we are already at the top level menu and there is nothing
// else to do.
//
else
{
return(1);
}
//
// Draw the new menu in the second offscreen buffer. This is the menu
// that will be on the display when the animation is over.
//
GrContextInit(&sContext, psMenuWidget->psDisplayA);
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Initialize a drawing context for the display where the widget is to be
// drawn. This is the physical display, not an off-screen buffer.
//
GrContextInit(&sContext, psWidget->psDisplay);
//
// Initialize the clipping region on the physical display, based on the
// extents of this widget.
//
GrContextClipRegionSet(&sContext, &(psWidget->sPosition));
//
// Get the width of the menu widget.
//
ui32MenuWidth = psMenuWidget->psDisplayA->ui16Width;
//
// The following loop draws the two off-screen buffers onto the physical
// display using a left-to-right. This will provide an appearance
// of sliding to the right. The parent menu will slide in from the left.
// The "old" child menu is being held in off-screen buffer B and the new
// one is in buffer A. So when we are done, the correct image will be in
// buffer A.
//
for(ui32X = 0; ui32X <= ui32MenuWidth; ui32X += 8)
{
GrImageDraw(&sContext, psMenuWidget->psDisplayB->pvDisplayData,
psWidget->sPosition.i16XMin + ui32X,
psWidget->sPosition.i16YMin);
GrImageDraw(&sContext, psMenuWidget->psDisplayA->pvDisplayData,
psWidget->sPosition.i16XMin + ui32X - ui32MenuWidth,
psWidget->sPosition.i16YMin);
}
//
// Return indication that we handled the key event.
//
return(1);
}
//*****************************************************************************
//
//! Performs the sliding menu operation, in response to the "right" button.
//!
//! \param psWidget is a pointer to the slide menu widget to move to the right.
//!
//! This function will respond to the "right" key/button event. The right
//! button is used to select the next menu level below the current menu item,
//! or a widget that is activated by the menu item. The effect is that the
//! menu itself slides off to the left, and the new menu or widget slides in
//! from the right.
//!
//! This function repeatedly draws the menu onto the display until the sliding
//! animation is finished and will not return to the caller until then. This
//! function is usually called from the thread context of
//! WidgetMessageQueueProcess().
//!
//! \return Returns a non-zero value if the menu was moved or was not moved
//! because it is already at the last position. If a child widget is active
//! then this function does nothing and returns a 0.
//
//*****************************************************************************
static int32_t
SlideMenuRight(tWidget *psWidget)
{
tSlideMenuWidget *psMenuWidget;
tSlideMenu *psMenu;
tSlideMenu *psChildMenu;
tContext sContext;
tWidget *psChildWidget;
uint32_t ui32X;
uint32_t ui32MenuWidth;
//
// If this menu widget has a child widget, that means the child widget
// is in control of the display, and there is nothing to do here.
//
if(psWidget->psChild)
{
return(0);
}
//
// Get handy pointers to the menu widget, and the current menu, and the
// child menu and widget if they exist.
//
psMenuWidget = (tSlideMenuWidget *)psWidget;
psMenu = psMenuWidget->psSlideMenu;
psChildMenu = psMenu->psSlideMenuItems[psMenu->ui32FocusIndex].psChildMenu;
psChildWidget = psMenu->psSlideMenuItems[psMenu->ui32FocusIndex].psChildWidget;
//
// Initialize a context for the secondary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
GrContextInit(&sContext, psMenuWidget->psDisplayB);
//
// Render the current menu into off-screen buffer B. This
// will be the same menu appearance as is already being shown.
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Now set up context for drawing into off-screen buffer A
//
GrContextInit(&sContext, psMenuWidget->psDisplayA);
//
// Process child menu of this menu item
//
if(psChildMenu)
{
//
// Switch the active menu for this SlideMenuWidget to be the child
// menu
//
psMenuWidget->psSlideMenu = psChildMenu;
//
// Draw the new (child) menu into off-screen buffer A
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
}
//
// Process child widget of this menu item. This only happens if there
// is no child menu.
//
else if(psChildWidget)
{
//
// Call the widget activated callback function. This will notify
// the application that a child widget has been activated by the
// menu system.
//
if(psMenuWidget->pfnActive)
{
psMenuWidget->pfnActive(psChildWidget,
&psMenu->psSlideMenuItems[psMenu->ui32FocusIndex],
1);
}
//
// Link the new child widget into this SlideMenuWidget so
// it appears as a child to this widget. Normally the menu widget
// has no child widget.
//
psWidget->psChild = psChildWidget;
psChildWidget->psParent = psWidget;
//
// Fill a rectangle with the new child widget background color.
// This is done in off-screen buffer A. When the menu slides off,
// it will be replaced by a blank background that will then be
// controlled by the new child widget.
//
GrContextForegroundSet(
&sContext,
psMenu->psSlideMenuItems[psMenu->ui32FocusIndex].ui32ChildWidgetColor);
GrRectFill(&sContext, &sContext.sClipRegion);
//
// Request a repaint for the child widget so it can draw itself once
// the menu slide is done.
//
WidgetPaint(psChildWidget);
}
//
// There is no child menu or child widget, so there is nothing to change
// on the display.
//
else
{
return(1);
}
//
// Initialize a drawing context for the display where the widget is to be
// drawn. This is the physical display, not an off-screen buffer.
//
GrContextInit(&sContext, psWidget->psDisplay);
//
// Initialize the clipping region on the physical display, based on the
// extents of this widget.
//
GrContextClipRegionSet(&sContext, &(psWidget->sPosition));
//
// Get the width of the menu widget which is used in calculations below
//
ui32MenuWidth = psMenuWidget->psDisplayA->ui16Width;
//
// The following loop draws the two off-screen buffers onto the physical
// display using a right-to-left-wipe. This will provide an appearance
// of sliding to the left. The new child menu, or child widget background
// will slide in from the right. The "old" menu is being held in
// off-screen buffer B and the new one is in buffer A. So when we are
// done, the correct image will be in buffer A.
//
for(ui32X = 0; ui32X <= ui32MenuWidth; ui32X += 8)
{
GrImageDraw(&sContext, psMenuWidget->psDisplayB->pvDisplayData,
psWidget->sPosition.i16XMin - ui32X,
psWidget->sPosition.i16YMin);
GrImageDraw(&sContext, psMenuWidget->psDisplayA->pvDisplayData,
psWidget->sPosition.i16XMin + ui32MenuWidth - ui32X,
psWidget->sPosition.i16YMin);
}
//
// Return indication that we handled the key event.
//
return(1);
}
//*****************************************************************************
//
// Handle the animation when switching between screens.
//
//*****************************************************************************
void
AnimatePanel(uint32_t ui32Color)
{
int32_t i32Idx;
GrContextForegroundSet(&g_sContext, ui32Color);
if(g_i32ScreenIdx == SCREEN_DETAILS) {
for(i32Idx = BG_MAX_Y; i32Idx >= BG_MIN_Y; i32Idx--) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if(i32Idx == 40) {
WidgetPaint((tWidget *)&g_sHeaderTitle);
WidgetMessageQueueProcess();
} else if(i32Idx == 70) {
WidgetPaint((tWidget *)&g_sHeaderLine1);
WidgetMessageQueueProcess();
} else if(i32Idx == 100) {
WidgetPaint((tWidget *)&g_sHeaderLine2);
WidgetMessageQueueProcess();
} else if(i32Idx == 130) {
WidgetPaint((tWidget *)&g_sHeaderLine3);
WidgetMessageQueueProcess();
} else if(i32Idx == 160) {
WidgetPaint((tWidget *)&g_sHeaderLine4);
WidgetMessageQueueProcess();
} else if(i32Idx == 190) {
WidgetPaint((tWidget *)&g_sHeaderLine5);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
} else if(g_i32ScreenIdx == SCREEN_SUMMARY) {
for(i32Idx = BG_MAX_Y; i32Idx >= BG_MIN_Y; i32Idx--) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if(i32Idx == 210) {
WidgetPaint((tWidget *)&g_sPayloadLine8);
WidgetMessageQueueProcess();
} else if(i32Idx == 195) {
WidgetPaint((tWidget *)&g_sPayloadLine7);
WidgetMessageQueueProcess();
} else if(i32Idx == 180) {
WidgetPaint((tWidget *)&g_sPayloadLine6);
WidgetMessageQueueProcess();
} else if(i32Idx == 165) {
WidgetPaint((tWidget *)&g_sPayloadLine5);
WidgetMessageQueueProcess();
} else if(i32Idx == 150) {
WidgetPaint((tWidget *)&g_sPayloadLine4);
WidgetMessageQueueProcess();
} else if(i32Idx == 135) {
WidgetPaint((tWidget *)&g_sPayloadLine3);
WidgetMessageQueueProcess();
} else if(i32Idx == 120) {
WidgetPaint((tWidget *)&g_sPayloadLine2);
WidgetMessageQueueProcess();
} else if(i32Idx == 105) {
WidgetPaint((tWidget *)&g_sPayloadLine1);
WidgetMessageQueueProcess();
} else if(i32Idx == 75) {
WidgetPaint((tWidget *)&g_sPayloadTitle);
WidgetMessageQueueProcess();
} else if(i32Idx == 40) {
WidgetPaint((tWidget *)&g_sTag);
WidgetMessageQueueProcess();
WidgetPaint((tWidget *)&g_sTagTitle);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
} else if(g_i32ScreenIdx == SCREEN_TI) {
for(i32Idx = BG_MIN_Y; i32Idx < BG_MAX_Y; i32Idx++) {
GrLineDrawH(&g_sContext, BG_MIN_X, BG_MAX_X, i32Idx);
if (i32Idx == 100) {
GrImageDraw(&g_sContext, g_pui8TILogo, BG_MIN_X,
BG_MIN_Y);
} else if(i32Idx == 140) {
WidgetPaint((tWidget *)&g_sStatusLine1);
WidgetMessageQueueProcess();
GrContextForegroundSet(&g_sContext, ui32Color);
} else if(i32Idx == 170) {
//DrawToggle(&sProxyToggle, g_sConfig.bProxyEnabled);
WidgetPaint((tWidget *)&g_sStatusLine2);
GrContextForegroundSet(&g_sContext, ui32Color);
WidgetMessageQueueProcess();
} else if(i32Idx == 230) {
WidgetPaint((tWidget *)&g_sTINFCButton);
WidgetPaint((tWidget *)&g_sEchoNFCButton);
GrContextForegroundSet(&g_sContext, ui32Color);
WidgetMessageQueueProcess();
}
SysCtlDelay(SCREEN_ANIMATE_DELAY);
}
}
}
//*****************************************************************************
//
//! Draws a check box widget.
//!
//! \param pWidget is a pointer to the check box widget to be drawn.
//! \param bClick is a boolean that is \b true if the paint request is a result
//! of a pointer click and \b false if not.
//!
//! This function draws a check box widget on the display. This is called in
//! response to a \b #WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
CheckBoxPaint(tWidget *pWidget, unsigned long bClick)
{
tCheckBoxWidget *pCheck;
tRectangle sRect;
tContext sCtx;
long lY;
//
// Check the arguments.
//
ASSERT(pWidget);
//
// Convert the generic widget pointer into a check box widget pointer.
//
pCheck = (tCheckBoxWidget *)pWidget;
//
// Initialize a drawing context.
//
GrContextInit(&sCtx, pWidget->pDisplay);
//
// Initialize the clipping region based on the extents of this check box.
//
GrContextClipRegionSet(&sCtx, &(pWidget->sPosition));
//
// See if the check box fill style is selected.
//
if((pCheck->usStyle & CB_STYLE_FILL) && !bClick)
{
//
// Fill the check box with the fill color.
//
GrContextForegroundSet(&sCtx, pCheck->ulFillColor);
GrRectFill(&sCtx, &(pWidget->sPosition));
}
//
// See if the check box outline style is selected.
//
if((pCheck->usStyle & CB_STYLE_OUTLINE) && !bClick)
{
//
// Outline the check box with the outline color.
//
GrContextForegroundSet(&sCtx, pCheck->ulOutlineColor);
GrRectDraw(&sCtx, &(pWidget->sPosition));
}
//
// Draw the check box.
//
sRect.sXMin = pWidget->sPosition.sXMin + 2;
sRect.sYMin = (pWidget->sPosition.sYMin +
((pWidget->sPosition.sYMax - pWidget->sPosition.sYMin -
pCheck->usBoxSize + 1) / 2));
sRect.sXMax = sRect.sXMin + pCheck->usBoxSize - 1;
sRect.sYMax = sRect.sYMin + pCheck->usBoxSize - 1;
if(!bClick)
{
GrContextForegroundSet(&sCtx, pCheck->ulOutlineColor);
GrRectDraw(&sCtx, &sRect);
}
//
// Select the foreground color based on whether or not the check box is
// selected.
//
if(pCheck->usStyle & CB_STYLE_SELECTED)
{
GrContextForegroundSet(&sCtx, pCheck->ulOutlineColor);
}
else
{
GrContextForegroundSet(&sCtx, pCheck->ulFillColor);
}
//
// Draw an "X" in the check box.
//
GrLineDraw(&sCtx, sRect.sXMin + 1, sRect.sYMin + 1, sRect.sXMax - 1,
sRect.sYMax - 1);
GrLineDraw(&sCtx, sRect.sXMin + 1, sRect.sYMax - 1, sRect.sXMax - 1,
sRect.sYMin + 1);
//
// See if the check box text or image style is selected.
//
if((pCheck->usStyle & (CB_STYLE_TEXT | CB_STYLE_IMG)) && !bClick)
{
//
// Shrink the clipping region by the size of the check box so that it
// is not overwritten by further "decorative" portions of the widget.
//
sCtx.sClipRegion.sXMin += pCheck->usBoxSize + 4;
//
// If the check box outline style is selected then shrink the clipping
// region by one pixel on each side so that the outline is not
// overwritten by the text or image.
//
if(pCheck->usStyle & CB_STYLE_OUTLINE)
{
sCtx.sClipRegion.sYMin++;
sCtx.sClipRegion.sXMax--;
sCtx.sClipRegion.sYMax--;
}
//
// See if the check box image style is selected.
//
if(pCheck->usStyle & CB_STYLE_IMG)
{
//
// Determine where along the Y extent of the widget to draw the
// image. It is drawn at the top if it takes all (or more than
// all) of the Y extent of the widget, and it is drawn centered if
// it takes less than the Y extent.
//
if(GrImageHeightGet(pCheck->pucImage) >
(sCtx.sClipRegion.sYMax - sCtx.sClipRegion.sYMin))
{
lY = sCtx.sClipRegion.sYMin;
}
else
{
lY = (sCtx.sClipRegion.sYMin +
((sCtx.sClipRegion.sYMax - sCtx.sClipRegion.sYMin -
GrImageHeightGet(pCheck->pucImage) + 1) / 2));
}
//
// Set the foreground and background colors to use for 1 BPP
// images.
//
GrContextForegroundSet(&sCtx, pCheck->ulTextColor);
GrContextBackgroundSet(&sCtx, pCheck->ulFillColor);
//
// Draw the image next to the check box.
//
GrImageDraw(&sCtx, pCheck->pucImage, sCtx.sClipRegion.sXMin, lY);
}
//
// See if the check box text style is selected.
//
if(pCheck->usStyle & CB_STYLE_TEXT)
{
//
// Determine where along the Y extent of the widget to draw the
// string. It is drawn at the top if it takes all (or more than
// all) of the Y extent of the widget, and it is drawn centered if
// it takes less than the Y extent.
//
if(GrFontHeightGet(pCheck->pFont) >
(sCtx.sClipRegion.sYMax - sCtx.sClipRegion.sYMin))
{
lY = sCtx.sClipRegion.sYMin;
}
else
{
lY = (sCtx.sClipRegion.sYMin +
((sCtx.sClipRegion.sYMax - sCtx.sClipRegion.sYMin -
GrFontHeightGet(pCheck->pFont) + 1) / 2));
}
//
// Draw the text next to the check box.
//
GrContextFontSet(&sCtx, pCheck->pFont);
GrContextForegroundSet(&sCtx, pCheck->ulTextColor);
GrContextBackgroundSet(&sCtx, pCheck->ulFillColor);
GrStringDraw(&sCtx, pCheck->pcText, -1, sCtx.sClipRegion.sXMin,
lY, pCheck->usStyle & CB_STYLE_TEXT_OPAQUE);
}
}
}
//*****************************************************************************
//
//! Draws an image button.
//!
//! \param pWidget is a pointer to the image button widget to be drawn.
//!
//! This function draws a rectangular image button on the display. This is
//! called in response to a \b #WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
ImageButtonPaint(tWidget *pWidget)
{
const unsigned char *pucImage;
tImageButtonWidget *pPush;
tContext sCtx;
long lX, lY;
//
// Check the arguments.
//
ASSERT(pWidget);
//
// Convert the generic widget pointer into a image button widget pointer.
//
pPush = (tImageButtonWidget *)pWidget;
//
// Initialize a drawing context.
//
GrContextInit(&sCtx, pWidget->pDisplay);
//
// Initialize the clipping region based on the extents of this rectangular
// image button.
//
GrContextClipRegionSet(&sCtx, &(pWidget->sPosition));
//
// Compute the center of the image button.
//
lX = (pWidget->sPosition.sXMin +
((pWidget->sPosition.sXMax - pWidget->sPosition.sXMin + 1) / 2));
lY = (pWidget->sPosition.sYMin +
((pWidget->sPosition.sYMax - pWidget->sPosition.sYMin + 1) / 2));
//
// Do we need to fill the widget background with a color?
//
if(pPush->ulStyle & IB_STYLE_FILL)
{
//
// Yes. Set the appropriate color depending upon whether or not
// the widget is currently pressed.
//
GrContextForegroundSet(&sCtx,
((pPush->ulStyle & IB_STYLE_PRESSED) ?
pPush->ulPressedColor :
pPush->ulBackgroundColor));
GrRectFill(&sCtx, &(pWidget->sPosition));
}
//
// Set the foreground and background colors to use for 1 BPP
// images and text
//
GrContextForegroundSet(&sCtx, pPush->ulForegroundColor);
GrContextBackgroundSet(&sCtx,
((pPush->ulStyle & IB_STYLE_PRESSED) ?
pPush->ulPressedColor :
pPush->ulBackgroundColor));
//
// Do we need to draw the background image?
//
if(!(pPush->ulStyle & IB_STYLE_IMAGE_OFF))
{
//
// Get the background image to be drawn.
//
pucImage = ((pPush->ulStyle & IB_STYLE_PRESSED) ?
pPush->pucPressImage : pPush->pucImage);
//
// Draw the image centered in the image button.
//
GrImageDraw(&sCtx, pucImage, lX - (GrImageWidthGet(pucImage) / 2),
lY - (GrImageHeightGet(pucImage) / 2));
}
//
// Adjust the drawing position if the button is pressed.
//
lX += ((pPush->ulStyle & IB_STYLE_PRESSED) ? pPush->sXOffset : 0);
lY += ((pPush->ulStyle & IB_STYLE_PRESSED) ? pPush->sYOffset : 0);
//
// If there is a keycap image and it is not disabled, center this on the
// top of the button, applying any offset defined if the button is
// currently pressed.
//
if(pPush->pucKeycapImage && !(pPush->ulStyle & IB_STYLE_KEYCAP_OFF))
{
//
// Draw the keycap image.
//
GrImageDraw(&sCtx, pPush->pucKeycapImage,
lX - (GrImageWidthGet(pPush->pucKeycapImage) / 2),
lY - (GrImageHeightGet(pPush->pucKeycapImage) / 2));
}
//
// See if the button text style is selected.
//
if(pPush->ulStyle & IB_STYLE_TEXT)
{
//
// Draw the text centered in the middle of the button with offset
// applied if the button is currently pressed.
//
GrContextFontSet(&sCtx, pPush->pFont);
GrStringDrawCentered(&sCtx, pPush->pcText, -1, lX, lY, 0);
}
}
//*****************************************************************************
//
// Handles paint requests for the primitives canvas widget.
//
//*****************************************************************************
void
OnPrimitivePaint(tWidget *psWidget, tContext *psContext)
{
uint32_t ui32Idx;
tRectangle sRect;
//
// Draw a vertical sweep of lines from red to green.
//
for(ui32Idx = 0; ui32Idx <= 8; ui32Idx++) {
GrContextForegroundSet(psContext,
(((((10 - ui32Idx) * 255) / 10) << ClrRedShift) |
(((ui32Idx * 255) / 10) << ClrGreenShift)));
GrLineDraw(psContext, 115, 120, 5, 120 - (11 * ui32Idx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ui32Idx = 1; ui32Idx <= 10; ui32Idx++) {
GrContextForegroundSet(psContext,
(((((10 - ui32Idx) * 255) / 10) <<
ClrGreenShift) |
(((ui32Idx * 255) / 10) << ClrBlueShift)));
GrLineDraw(psContext, 115, 120, 5 + (ui32Idx * 11), 29);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(psContext, ClrBrown);
GrCircleFill(psContext, 185, 69, 40);
GrContextForegroundSet(psContext, ClrSkyBlue);
GrCircleDraw(psContext, 205, 99, 30);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(psContext, ClrSlateGray);
sRect.i16XMin = 20;
sRect.i16YMin = 100;
sRect.i16XMax = 75;
sRect.i16YMax = 160;
GrRectFill(psContext, &sRect);
GrContextForegroundSet(psContext, ClrSlateBlue);
sRect.i16XMin += 40;
sRect.i16YMin += 40;
sRect.i16XMax += 30;
sRect.i16YMax += 28;
GrRectDraw(psContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(psContext, ClrSilver);
GrContextFontSet(psContext, &g_sFontCm14);
GrStringDraw(psContext, "Strings", -1, 125, 110, 0);
GrContextFontSet(psContext, &g_sFontCm18);
GrStringDraw(psContext, "Strings", -1, 145, 124, 0);
GrContextFontSet(psContext, &g_sFontCm22);
GrStringDraw(psContext, "Strings", -1, 165, 142, 0);
GrContextFontSet(psContext, &g_sFontCm24);
GrStringDraw(psContext, "Strings", -1, 185, 162, 0);
//
// Draw an image.
//
GrImageDraw(psContext, g_pui8Logo, 270, 80);
}
//*****************************************************************************
//
// A simple demonstration of the features of the Stellaris Graphics Library.
//
//*****************************************************************************
int
main(void)
{
unsigned long ulIdx;
tRectangle sRect;
//
// Set the clocking to run from the PLL.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the display driver.
//
Formike128x128x16Init();
//
// Turn on the backlight.
//
Formike128x128x16BacklightOn();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sFormike128x128x16);
//
// Fill the top 15 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = 14;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, &g_sFontFixed6x8);
GrStringDrawCentered(&g_sContext, "grlib_demo", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 7, 0);
//
// Draw a vertical sweep of lines from red to green.
//
for(ulIdx = 0; ulIdx <= 10; ulIdx++)
{
GrContextForegroundSet(&g_sContext,
(((((10 - ulIdx) * 255) / 10) << ClrRedShift) |
(((ulIdx * 255) / 10) << ClrGreenShift)));
GrLineDraw(&g_sContext, 62, 70, 2, 70 - (5 * ulIdx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ulIdx = 1; ulIdx <= 10; ulIdx++)
{
GrContextForegroundSet(&g_sContext,
(((((10 - ulIdx) * 255) / 10) <<
ClrGreenShift) |
(((ulIdx * 255) / 10) << ClrBlueShift)));
GrLineDraw(&g_sContext, 62, 70, 2 + (ulIdx * 6), 20);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(&g_sContext, ClrBrown);
GrCircleFill(&g_sContext, 88, 37, 17);
GrContextForegroundSet(&g_sContext, ClrSkyBlue);
GrCircleDraw(&g_sContext, 104, 45, 17);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(&g_sContext, ClrSlateGray);
sRect.sXMin = 4;
sRect.sYMin = 84;
sRect.sXMax = 42;
sRect.sYMax = 104;
GrRectFill(&g_sContext, &sRect);
GrContextForegroundSet(&g_sContext, ClrSlateBlue);
sRect.sXMin += 12;
sRect.sYMin += 15;
sRect.sXMax += 12;
sRect.sYMax += 15;
GrRectDraw(&g_sContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(&g_sContext, ClrSilver);
GrStringDraw(&g_sContext, "Strings", -1, 75, 114, 0);
//
// Draw an image.
//
GrImageDraw(&g_sContext, g_pucLogo, 80, 77);
//
// Flush any cached drawing operations.
//
GrFlush(&g_sContext);
//
// Loop forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// This function displays the splash screen.
//
//*****************************************************************************
static void
DisplaySplash(void)
{
unsigned long ulIdx;
tContext sContext;
tRectangle sRect;
//
// Initialize a drawing context.
//
GrContextInit(&sContext, &g_sRIT128x96x4Display);
//
// Clear the screen.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = 127;
sRect.sYMax = 95;
GrContextForegroundSet(&sContext, ClrBlack);
GrRectFill(&sContext, &sRect);
//
// Draw the splash screen image on the screen.
//
GrImageDraw(&sContext, g_pucSplashImage, 0, 10);
//
// Draw some text below the splash screen image.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrContextFontSet(&sContext, g_pFontFixed6x8);
GrStringDrawCentered(&sContext, "Brushed DC Motor", -1, 63, 73, 0);
GrStringDrawCentered(&sContext, "Reference Design Kit", -1, 63, 81, 0);
//
// Flush the drawing operations to the screen.
//
GrFlush(&sContext);
//
// Delay for 5 seconds while the splash screen is displayed.
//
for(ulIdx = 0; ulIdx < 5000; ulIdx++)
{
HWREGBITW(&g_ulFlags, FLAG_TICK) = 0;
while(HWREGBITW(&g_ulFlags, FLAG_TICK) == 0)
{
}
}
//
// Ignore any buttons that were pressed while the splash screen was
// displayed.
//
HWREGBITW(&g_ulFlags, FLAG_UP_PRESSED) = 0;
HWREGBITW(&g_ulFlags, FLAG_DOWN_PRESSED) = 0;
HWREGBITW(&g_ulFlags, FLAG_LEFT_PRESSED) = 0;
HWREGBITW(&g_ulFlags, FLAG_RIGHT_PRESSED) = 0;
HWREGBITW(&g_ulFlags, FLAG_SELECT_PRESSED) = 0;
}
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32Idx;
tRectangle sRect;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPULazyStackingEnable();
//
// Set the clocking to run from the PLL.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sCFAL96x64x16);
//
// Fill the top 12 rows of the screen with blue to create the banner.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.i16YMax = 11;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, g_psFontFixed6x8);
GrStringDrawCentered(&g_sContext, "grlib_demo", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 5, 0);
//
// Draw a vertical sweep of lines from red to green.
//
for(ui32Idx = 0; ui32Idx <= 8; ui32Idx++)
{
GrContextForegroundSet(&g_sContext,
(((((10 - ui32Idx) * 255) / 8) << ClrRedShift) |
(((ui32Idx * 255) / 8) << ClrGreenShift)));
GrLineDraw(&g_sContext, 60, 60, 0, 60 - (5 * ui32Idx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ui32Idx = 1; ui32Idx <= 11; ui32Idx++)
{
GrContextForegroundSet(&g_sContext,
(((((11 - ui32Idx) * 255) / 11) <<
ClrGreenShift) |
(((ui32Idx * 255) / 11) << ClrBlueShift)));
GrLineDraw(&g_sContext, 60, 60, (ui32Idx * 5), 20);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(&g_sContext, ClrBlue);
GrCircleFill(&g_sContext, 80, 30, 15);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrCircleDraw(&g_sContext, 80, 30, 15);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(&g_sContext, ClrGray);
sRect.i16XMin = 8;
sRect.i16YMin = 45;
sRect.i16XMax = 46;
sRect.i16YMax = 51;
GrRectFill(&g_sContext, &sRect);
GrContextForegroundSet(&g_sContext, ClrWhite);
sRect.i16XMin += 4;
sRect.i16YMin += 4;
sRect.i16XMax += 4;
sRect.i16YMax += 4;
GrRectDraw(&g_sContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(&g_sContext, ClrBlack);
GrStringDraw(&g_sContext, "Strings", -1, 6, 16, 0);
GrContextForegroundSet(&g_sContext, ClrSilver);
GrStringDraw(&g_sContext, "Strings", -1, 7, 17, 0);
//
// Draw an image.
//
GrTransparentImageDraw(&g_sContext, g_pui8Logo, 64, 34, ClrBlack);
#if 0
GrImageDraw(&g_sContext, g_pui8Logo, 64, 34);
#endif
//
// Flush any cached drawing operations.
//
GrFlush(&g_sContext);
//
// Loop forever.
//
while(1)
{
}
}
void main(void){
WDT_A_hold(WDT_A_BASE); // Stop WDT
boardInit(); // Basic GPIO initialization
clockInit(8000000); // Config clocks. MCLK=SMCLK=FLL=8MHz; ACLK=REFO=32kHz
Sharp96x96_LCDInit(); // Set up the LCD
GrContextInit(&g_sContext, &g_sharp96x96LCD);
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrContextFontSet(&g_sContext, &g_sFontFixed6x8);
GrClearDisplay(&g_sContext);
GrFlush(&g_sContext);
while(1){
// Intro Screen
GrClearDisplay(&g_sContext);
GrStringDrawCentered(&g_sContext,
"How to use",
AUTO_STRING_LENGTH,
48,
15,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"the MSP430",
AUTO_STRING_LENGTH,
48,
35,
TRANSPARENT_TEXT);
GrStringDraw(&g_sContext,
"Graphics Library",
AUTO_STRING_LENGTH,
1,
51,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"Primitives",
AUTO_STRING_LENGTH,
48,
75,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw pixels and lines on the display
GrStringDrawCentered(&g_sContext,
"Draw Pixels",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrStringDrawCentered(&g_sContext,
"& Lines",
AUTO_STRING_LENGTH,
48,
15,
TRANSPARENT_TEXT);
GrPixelDraw(&g_sContext, 30, 30);
GrPixelDraw(&g_sContext, 30, 32);
GrPixelDraw(&g_sContext, 32, 32);
GrPixelDraw(&g_sContext, 32, 30);
GrLineDraw(&g_sContext, 35, 35, 90, 90);
GrLineDraw(&g_sContext, 5, 80, 80, 20);
GrLineDraw(&g_sContext,
0,
GrContextDpyHeightGet(&g_sContext) - 1,
GrContextDpyWidthGet(&g_sContext) - 1,
GrContextDpyHeightGet(&g_sContext) - 1);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw circles on the display
GrStringDraw(&g_sContext,
"Draw Circles",
AUTO_STRING_LENGTH,
10,
5,
TRANSPARENT_TEXT);
GrCircleDraw(&g_sContext,
30,
70,
20);
GrCircleFill(&g_sContext,
60,
50,
30);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
// Draw rectangles on the display
GrStringDrawCentered(&g_sContext,
"Draw Rectangles",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrRectDraw(&g_sContext, &myRectangle1);
GrRectFill(&g_sContext, &myRectangle2);
// Text below won't be visible on screen due to transparency
// (foreground colors match)
GrStringDrawCentered(&g_sContext,
"Normal Text",
AUTO_STRING_LENGTH,
50,
50,
TRANSPARENT_TEXT);
// Text below draws foreground and background for opacity
GrStringDrawCentered(&g_sContext,
"Opaque Text",
AUTO_STRING_LENGTH,
50,
65,
OPAQUE_TEXT);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrContextBackgroundSet(&g_sContext, ClrBlack);
GrStringDrawCentered(&g_sContext,
"Invert Text",
AUTO_STRING_LENGTH,
50,
80,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
// Invert the foreground and background colors
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrRectFill(&g_sContext, &myRectangle3);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrContextBackgroundSet(&g_sContext, ClrBlack);
GrStringDrawCentered(&g_sContext,
"Invert Colors",
AUTO_STRING_LENGTH,
48,
5,
TRANSPARENT_TEXT);
GrRectDraw(&g_sContext, &myRectangle1);
GrRectFill(&g_sContext, &myRectangle2);
// Text below won't be visible on screen due to
// transparency (foreground colors match)
GrStringDrawCentered(&g_sContext,
"Normal Text",
AUTO_STRING_LENGTH,
50,
50,
TRANSPARENT_TEXT);
// Text below draws foreground and background for opacity
GrStringDrawCentered(&g_sContext,
"Opaque Text",
AUTO_STRING_LENGTH,
50,
65,
OPAQUE_TEXT);
// Text below draws with inverted foreground color to become visible
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrStringDrawCentered(&g_sContext,
"Invert Text",
AUTO_STRING_LENGTH,
50,
80,
TRANSPARENT_TEXT);
GrFlush(&g_sContext);
Delay();
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrWhite);
GrClearDisplay(&g_sContext);
// Draw Images on the display
GrImageDraw(&g_sContext, &LPRocket_96x37_1BPP_UNCOMP, 3, 28);
GrFlush(&g_sContext);
Delay();
GrClearDisplay(&g_sContext);
GrImageDraw(&g_sContext, &TI_Logo_69x64_1BPP_UNCOMP, 15, 15);
GrFlush(&g_sContext);
Delay();
// __bis_SR_register(LPM0_bits+GIE); //enter low power mode 0 with interrupts
}
}
static void draw_menu_slide()
{
/* draw special menu icons instead of standard text and icon layout */
GrImageDraw(&sContextMenu, (unsigned char *)iconIntro, 47, 41);
GrImageDraw(&sContextMenu, (unsigned char *)iconChoice, 155, 41);
GrImageDraw(&sContextMenu, (unsigned char *)iconMcasp, 263, 41);
GrImageDraw(&sContextMenu, (unsigned char *)iconSpi, 371, 41);
GrImageDraw(&sContextMenu, (unsigned char *)iconUart, 47, 117);
GrImageDraw(&sContextMenu, (unsigned char *)iconGpio, 155, 117);
GrImageDraw(&sContextMenu, (unsigned char *)iconTimer, 263, 117);
GrImageDraw(&sContextMenu, (unsigned char *)iconI2c, 371, 117);
GrImageDraw(&sContextMenu, (unsigned char *)iconUsbMouse, 47, 193);
GrImageDraw(&sContextMenu, (unsigned char *)iconRtc, 155, 193);
GrImageDraw(&sContextMenu, (unsigned char *)iconEthernet, 263, 193);
}
//*****************************************************************************
//
// Paint the canvas widget containing the next shape to be played.
//
//*****************************************************************************
void
OnNextPiecePaint(tWidget *pWidget, tContext *pContext)
{
tRectangle sRect;
unsigned long ulLoop;
int iRow, iCol, iOff, iDelta, iXOff, iYOff;
//
// Clear the widget background.
//
GrContextForegroundSet(pContext, BACKGROUND_COLOR);
GrRectFill(pContext, &pWidget->sPosition);
//
// Although no game piece occupies more than 2 colums in its starting
// configuration, the definitions actually span 3 colums. Check for cases
// that are defined using the second and third columns and move these one
// block to the left to keep everything in the same 2 columns of the
// display. We also use this loop to set the X and Y offset required to
// center the piece in the canvas widget.
//
iDelta = 1;
iXOff = 0;
iYOff = GAME_BLOCK_SIZE / 2;
for(ulLoop = 0; ulLoop < 3; ulLoop++)
{
//
// Does this offset extend into the third column?
//
if(nextshape->off[ulLoop] > 2)
{
//
// Yes - we need to move the shape one cell left to keep it
// within the bounds of the widget.
//
iDelta = 0;
break;
}
//
// If we find an offset of 2, this means we are dealing with the
// 4-in-a-line shape so we need to muck with the X and Y offset to
// ensure it is centered in the widget. Yes - this is a somewhat
// tacky inference to make but, hey, it works.
//
if(nextshape->off[ulLoop] == 2)
{
iXOff = -(GAME_BLOCK_SIZE / 2);
iYOff = 0;
}
}
//
// Now draw the game piece. A block at offset (0,0) is always assumed.
//
iOff = 0;
for(ulLoop = 0; ulLoop < 4; ulLoop++)
{
//
// What is the row and column offset for this block in the shape? This
// is somewhat awkward since the blocks comprising each shape are
// defined in terms of index offsets within the board array rather
// than (x, y) coordinates.
//
if(iOff <= -(B_COLS - 1))
{
iRow = -1;
iCol = (iOff + B_COLS);
}
else if(iOff >= (B_COLS - 1))
{
iRow = 1;
iCol = (iOff - B_COLS);
}
else
{
iRow = 0;
iCol = iOff;
}
sRect.sXMin = pWidget->sPosition.sXMin + iXOff +
(GAME_BLOCK_SIZE * (iRow + iDelta));
sRect.sYMin = pWidget->sPosition.sYMin + iYOff +
(GAME_BLOCK_SIZE * (iCol + 1));
sRect.sXMax = sRect.sXMin + (GAME_BLOCK_SIZE - 1);
sRect.sYMax = sRect.sYMin + (GAME_BLOCK_SIZE - 1);
//
// Draw this block of the shape. We use either an image if one is
// defined or black otherwise.
//
if(g_ppucBlockImages[nextshape->color])
{
GrImageDraw(pContext, g_ppucBlockImages[nextshape->color],
(long)sRect.sXMin, (long)sRect.sYMin);
}
else
{
GrContextForegroundSet(pContext, BACKGROUND_COLOR);
GrRectFill(pContext, &sRect);
}
//
// Get the offset of the next block.
//
if(ulLoop < 3)
{
iOff = nextshape->off[ulLoop];
}
}
}
//*****************************************************************************
//
// This task receives messages from the other tasks and updates the display as
// directed.
//
//*****************************************************************************
static void
DisplayTask(void *pvParameters)
{
tDisplayMessage sMessage;
tContext sContext;
//
// Initialize the graphics library context.
//
GrContextInit(&sContext, &g_sKitronix320x240x16_SSD2119);
GrContextForegroundSet(&sContext, ClrWhite);
GrContextBackgroundSet(&sContext, ClrBlack);
GrContextFontSet(&sContext, g_pFontFixed6x8);
//
// Loop forever.
//
while(1)
{
//
// Read the next message from the queue.
//
if(xQueueReceive(g_pDisplayQueue, &sMessage, portMAX_DELAY) == pdPASS)
{
//
// Determine the message type.
//
switch(sMessage.ulType)
{
//
// The drawing of an image has been requested.
//
case DISPLAY_IMAGE:
{
//
// Draw this image on the display.
//
GrImageDraw(&sContext, (unsigned char *)sMessage.pcMessage,
sMessage.usX, sMessage.usY);
//
// This message has been handled.
//
break;
}
//
// The drawing of a string has been requested.
//
case DISPLAY_STRING:
{
//
// Draw this string on the display.
//
GrStringDraw(&sContext, sMessage.pcMessage, -1,
sMessage.usX, sMessage.usY, 1);
//
// This message has been handled.
//
break;
}
//
// A move of the pen has been requested.
//
case DISPLAY_MOVE:
{
//
// Save the new pen position.
//
g_ulDisplayX = sMessage.usX;
g_ulDisplayY = sMessage.usY;
//
// This message has been handled.
//
break;
}
//
// A draw with the pen has been requested.
//
case DISPLAY_DRAW:
{
//
// Draw a line from the previous pen position to the new
// pen position.
//
GrLineDraw(&sContext, g_ulDisplayX, g_ulDisplayY,
sMessage.usX, sMessage.usY);
//
// Save the new pen position.
//
g_ulDisplayX = sMessage.usX;
g_ulDisplayY = sMessage.usY;
//
// This message has been handled.
//
break;
}
}
}
}
}
//*****************************************************************************
//
// Paint the blocks in the game play area.
//
//*****************************************************************************
void
OnGameAreaPaint(tWidget *pWidget, tContext *pContext)
{
static const struct shape *psLastShape;
static tBoolean bLastMsgShown = false;
unsigned long ulIndex, ulRow, ulCol;
tRectangle rectBlock;
//
// Update the score if necessary.
//
if (score != g_iCurScore)
{
usnprintf(g_pcScore, MAX_SCORE_LEN, " %d ", score);
WidgetPaint((tWidget *)&g_sScore);
g_iCurScore = score;
}
//
// Draw a preview of the next shape if it is different
//
if (nextshape != psLastShape)
{
WidgetPaint((tWidget *)&g_sNextPiece);
psLastShape = nextshape;
}
//
// Has the screen just been cleared? If so, we fill the whole background
// in a single operation rather than doing it cell-by-cell.
//
if(g_bScreenCleared)
{
//
// Draw the logo into the background of the game area.
//
GrImageDraw(&g_sScreenContext, g_pucTILogo240x120,
GAME_AREA_LEFT, GAME_AREA_TOP);
}
//
// Loop through the rows (which are actually columns in our implementation
// since we've rotated the board).
//
for (ulRow = D_FIRST; ulRow < (D_LAST - 1); ulRow++)
{
//
// Get the index of the first block in this row.
//
ulIndex = ulRow * B_COLS;
//
// Loop through all the displayed colums (rows in our implementation)
//
for (ulCol = 1; ulCol < (B_COLS - 1); ulCol++)
{
//
// If the block on the screen is different from the one we have been
// asked to draw, draw it. We also force a redraw of everything if
// we had a message displayed last time we repainted but it has
// since been removed.
//
if ((board[ulIndex + ulCol] != g_psCurScreen[ulIndex + ulCol]) ||
(bLastMsgShown && !g_bMsgShown))
{
//
// Calculate the coordinates of this block.
//
rectBlock.sXMin = GAME_AREA_LEFT +
((ulRow - D_FIRST) * GAME_BLOCK_SIZE);
rectBlock.sYMin = GAME_AREA_TOP +
((ulCol - 1) * GAME_BLOCK_SIZE);
rectBlock.sXMax = rectBlock.sXMin + (GAME_BLOCK_SIZE - 1);
rectBlock.sYMax = rectBlock.sYMin + (GAME_BLOCK_SIZE - 1);
//
// Remember what we are about to draw into the current cell.
//
g_psCurScreen[ulIndex + ulCol] = board[ulIndex + ulCol];
//
// Draw this block of the shape. We use either an image if one
// is defined or black otherwise.
//
if(g_ppucBlockImages[board[ulIndex + ulCol]])
{
//
// If we just cleared the whole background, there is no
// need to reblit the background blocks.
//
if(!g_bScreenCleared)
{
GrImageDraw(&g_sScreenContext,
g_ppucBlockImages[board[ulIndex + ulCol]],
(long)rectBlock.sXMin,
(long)rectBlock.sYMin);
}
}
else
{
tRectangle sRect;
//
// Draw the block from the background image. First save
// the existing clipping region.
//
sRect = g_sScreenContext.sClipRegion;
//
// Set the new clipping region to the block we are about
// to draw.
//
GrContextClipRegionSet(&g_sScreenContext, &rectBlock);
//
// Draw the background image into the clipping region.
//
GrImageDraw(&g_sScreenContext, g_pucTILogo240x120,
GAME_AREA_LEFT, GAME_AREA_TOP);
//
// Restore the previous clip region.
//
GrContextClipRegionSet(&g_sScreenContext, &sRect);
}
}
}
}
//
// If there is a message to show, draw it on top of the game area.
//
if(g_bMsgShown)
{
//
// Determine the center of the game area.
//
rectBlock.sXMin = GAME_AREA_LEFT +
(GAME_BLOCK_SIZE * ((D_LAST - 1) - D_FIRST)) / 2;
rectBlock.sYMin = GAME_AREA_TOP +
((GAME_BLOCK_SIZE * (B_COLS - 2)) / 2);
//
// Render the required message centered in the game area.
//
GrContextFontSet(&g_sScreenContext, g_pFontCmss20b);
GrContextForegroundSet(&g_sScreenContext, MESSAGE_COLOR);
GrContextBackgroundSet(&g_sScreenContext, BACKGROUND_COLOR);
GrStringDrawCentered(&g_sScreenContext, g_pcMessage, -1,
rectBlock.sXMin, rectBlock.sYMin, true);
}
//
// Remember whether we displayed the message or not.
//
bLastMsgShown = g_bMsgShown;
//
// Clear the flag that we use to indicate the first redraw in a new game.
//
g_bScreenCleared = false;
}
//*****************************************************************************
//
// Handles paint requests for the primitives canvas widget.
//
//*****************************************************************************
void
OnPrimitivePaint(tWidget *pWidget, tContext *pContext)
{
unsigned long ulIdx;
tRectangle sRect;
//
// Draw a vertical sweep of lines from red to green.
//
for(ulIdx = 0; ulIdx <= 8; ulIdx++)
{
GrContextForegroundSet(pContext,
(((((10 - ulIdx) * 255) / 10) << ClrRedShift) |
(((ulIdx * 255) / 10) << ClrGreenShift)));
GrLineDraw(pContext, 115, 120, 5, 120 - (11 * ulIdx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ulIdx = 1; ulIdx <= 10; ulIdx++)
{
GrContextForegroundSet(pContext,
(((((10 - ulIdx) * 255) / 10) <<
ClrGreenShift) |
(((ulIdx * 255) / 10) << ClrBlueShift)));
GrLineDraw(pContext, 115, 120, 5 + (ulIdx * 11), 29);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(pContext, ClrBrown);
GrCircleFill(pContext, 185, 69, 40);
GrContextForegroundSet(pContext, ClrSkyBlue);
GrCircleDraw(pContext, 205, 99, 30);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(pContext, ClrSlateGray);
sRect.sXMin = 20;
sRect.sYMin = 100;
sRect.sXMax = 75;
sRect.sYMax = 160;
GrRectFill(pContext, &sRect);
GrContextForegroundSet(pContext, ClrSlateBlue);
sRect.sXMin += 40;
sRect.sYMin += 40;
sRect.sXMax += 30;
sRect.sYMax += 28;
GrRectDraw(pContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(pContext, ClrSilver);
GrContextFontSet(pContext, g_pFontFixed6x8);
GrStringDraw(pContext, "Strings", -1, 125, 110, 0);
GrContextFontSet(pContext, g_pFontCmss18b);
GrStringDraw(pContext, "Strings", -1, 145, 124, 0);
GrContextFontSet(pContext, g_pFontCmss22b);
GrStringDraw(pContext, "Strings", -1, 165, 142, 0);
//
// Draw an image.
//
GrImageDraw(pContext, g_pucTISymbol_80x75, 240, 80);
}
//*****************************************************************************
//
//! Draws the contents of a canvas.
//!
//! \param pWidget is a pointer to the canvas widget to be drawn.
//!
//! This function draws the contents of a canvas on the display. This is
//! called in response to a \b #WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
CanvasPaint(tWidget *pWidget)
{
tCanvasWidget *pCanvas;
tContext sCtx;
long lX, lY, lSize;
//
// Check the arguments.
//
ASSERT(pWidget);
//
// Convert the generic widget pointer into a canvas widget pointer.
//
pCanvas = (tCanvasWidget *)pWidget;
//
// Initialize a drawing context.
//
GrContextInit(&sCtx, pWidget->pDisplay);
//
// Initialize the clipping region based on the extents of this canvas.
//
GrContextClipRegionSet(&sCtx, &(pWidget->sPosition));
//
// See if the canvas fill style is selected.
//
if(pCanvas->ulStyle & CANVAS_STYLE_FILL)
{
//
// Fill the canvas with the fill color.
//
GrContextForegroundSet(&sCtx, pCanvas->ulFillColor);
GrRectFill(&sCtx, &(pWidget->sPosition));
}
//
// See if the canvas outline style is selected.
//
if(pCanvas->ulStyle & CANVAS_STYLE_OUTLINE)
{
//
// Outline the canvas with the outline color.
//
GrContextForegroundSet(&sCtx, pCanvas->ulOutlineColor);
GrRectDraw(&sCtx, &(pWidget->sPosition));
}
//
// See if the canvas text or image style is selected.
//
if(pCanvas->ulStyle & (CANVAS_STYLE_TEXT | CANVAS_STYLE_IMG))
{
//
// Compute the center of the canvas.
//
lX = (pWidget->sPosition.sXMin +
((pWidget->sPosition.sXMax - pWidget->sPosition.sXMin + 1) / 2));
lY = (pWidget->sPosition.sYMin +
((pWidget->sPosition.sYMax - pWidget->sPosition.sYMin + 1) / 2));
//
// If the canvas outline style is selected then shrink the clipping
// region by one pixel on each side so that the outline is not
// overwritten by the text or image.
//
if(pCanvas->ulStyle & CANVAS_STYLE_OUTLINE)
{
sCtx.sClipRegion.sXMin++;
sCtx.sClipRegion.sYMin++;
sCtx.sClipRegion.sXMax--;
sCtx.sClipRegion.sYMax--;
}
//
// See if the canvas image style is selected.
//
if(pCanvas->ulStyle & CANVAS_STYLE_IMG)
{
//
// Set the foreground and background colors to use for 1 BPP
// images.
//
GrContextForegroundSet(&sCtx, pCanvas->ulTextColor);
GrContextBackgroundSet(&sCtx, pCanvas->ulFillColor);
//
// Draw the image centered in the canvas.
//
GrImageDraw(&sCtx, pCanvas->pucImage,
lX - (GrImageWidthGet(pCanvas->pucImage) / 2),
lY - (GrImageHeightGet(pCanvas->pucImage) / 2));
}
//
// See if the canvas text style is selected.
//
if(pCanvas->ulStyle & CANVAS_STYLE_TEXT)
{
//
// Set the relevant font and colors.
//
GrContextFontSet(&sCtx, pCanvas->pFont);
GrContextForegroundSet(&sCtx, pCanvas->ulTextColor);
GrContextBackgroundSet(&sCtx, pCanvas->ulFillColor);
//
// Determine the drawing position for the string based on the
// text alignment style. First consider the horizontal case. We
// enter this section with lX set to the center of the widget.
//
//
// How wide is the string?
//
lSize = GrStringWidthGet(&sCtx, pCanvas->pcText, -1);
if(pCanvas->ulStyle & CANVAS_STYLE_TEXT_LEFT)
{
//
// The string is to be aligned with the left edge of
// the widget. Use the clipping rectangle as reference
// since this will ensure that the string doesn't
// encroach on any border that is set.
//
lX = sCtx.sClipRegion.sXMin;
}
else
{
if(pCanvas->ulStyle & CANVAS_STYLE_TEXT_RIGHT)
{
//
// The string is to be aligned with the right edge of
// the widget. Use the clipping rectangle as reference
// since this will ensure that the string doesn't
// encroach on any border that is set.
//
lX = sCtx.sClipRegion.sXMax - lSize;
}
else
{
//
// We are centering the string horizontally so adjust
// the position accordingly to take into account the
// width of the string.
//
lX -= (lSize / 2);
}
}
//
// Now consider the horizontal case. We enter this section with lY
// set to the center of the widget.
//
// How tall is the string?
//
lSize = GrStringHeightGet(&sCtx);
if(pCanvas->ulStyle & CANVAS_STYLE_TEXT_TOP)
{
//
// The string is to be aligned with the top edge of
// the widget. Use the clipping rectangle as reference
// since this will ensure that the string doesn't
// encroach on any border that is set.
//
lY = sCtx.sClipRegion.sYMin;
}
else
{
if(pCanvas->ulStyle & CANVAS_STYLE_TEXT_BOTTOM)
{
//
// The string is to be aligned with the bottom edge of
// the widget. Use the clipping rectangle as reference
// since this will ensure that the string doesn't
// encroach on any border that is set.
//
lY = sCtx.sClipRegion.sYMax - lSize;
}
else
{
//
// We are centering the string vertically so adjust
// the position accordingly to take into account the
// height of the string.
//
lY -= (lSize / 2);
}
}
//
// Now draw the string.
//
GrStringDraw(&sCtx, pCanvas->pcText, -1, lX, lY,
pCanvas->ulStyle & CANVAS_STYLE_TEXT_OPAQUE);
}
}
//
// See if the application-drawn style is selected.
//
if(pCanvas->ulStyle & CANVAS_STYLE_APP_DRAWN)
{
//
// Call the application-supplied function to draw the canvas.
//
pCanvas->pfnOnPaint(pWidget, &sCtx);
}
}
//*****************************************************************************
//
//! Draws the current menu into a drawing context, off-screen buffer.
//!
//! \param psMenuWidget points at the SlideMenuWidget being processed.
//! \param psContext points to the context where all drawing should be done.
//! \param i32OffsetY is the Y offset for drawing the menu.
//!
//! This function renders a menu (set of menu items), into a drawing context.
//! It assumes that the drawing context is an off-screen buffer, and that
//! the entire buffer belongs to this widget. The vertical position of the
//! menu can be adjusted by using the parameter i32OffsetY. This value can be
//! positive or negative and can cause the menu to be rendered above or below
//! the normal position in the display.
//!
//! \return None.
//
//*****************************************************************************
void
SlideMenuDraw(tSlideMenuWidget *psMenuWidget, tContext *psContext,
int32_t i32OffsetY)
{
tSlideMenu *psMenu;
uint32_t ui32Idx;
tRectangle sRect;
//
// Check the arguments
//
ASSERT(psMenuWidget);
ASSERT(psContext);
//
// Set the foreground color for the rectangle fill to match what we want
// as the menu background.
//
GrContextForegroundSet(psContext, psMenuWidget->ui32ColorBackground);
GrRectFill(psContext, &psContext->sClipRegion);
//
// Get the current menu that is being displayed
//
psMenu = psMenuWidget->psSlideMenu;
//
// Set the foreground to the color we want for the menu item boundaries
// and text color, text font.
//
GrContextForegroundSet(psContext, psMenuWidget->ui32ColorForeground);
GrContextFontSet(psContext, psMenuWidget->psFont);
//
// Set the rectangle bounds for the first menu item.
// The starting Y value is calculated based on which menu item is currently
// centered. Y coordinates are subtracted to find the Y start location
// of the first menu item, which could even be off the display.
//
// Set the X coords of the menu item to the extents of the display
//
sRect.i16XMin = 0;
sRect.i16XMax = psContext->sClipRegion.i16XMax;
//
// Find the Y coordinate of the centered menu item
//
sRect.i16YMin = (psContext->psDisplay->ui16Height / 2) -
(psMenuWidget->ui32MenuItemHeight / 2);
//
// Adjust to find Y coordinate of first menu item
//
sRect.i16YMin -= psMenu->ui32CenterIndex * psMenuWidget->ui32MenuItemHeight;
//
// Now adjust for the offset that was passed in by caller. This allows
// for drawing menu items above or below the main display.
//
sRect.i16YMin += i32OffsetY;
//
// Find the ending Y coordinate of first menu item
//
sRect.i16YMax = sRect.i16YMin + psMenuWidget->ui32MenuItemHeight - 1;
//
// Start the index at the first menu item. It is possible that this
// menu item is off the display.
//
ui32Idx = 0;
//
// Loop through all menu items, drawing on the display. Note that some
// may not be on the screen, but they will be clipped.
//
while(ui32Idx < psMenu->ui32Items)
{
//
// If this index is the one that is highlighted, then change the
// background
//
if(ui32Idx == psMenu->ui32FocusIndex)
{
//
// Set the foreground to the highlight color, and fill the
// rectangle of the background of this menu item.
//
GrContextForegroundSet(psContext, psMenuWidget->ui32ColorHighlight);
GrRectFill(psContext, &sRect);
//
// Set the new foreground to the normal foreground color, and
// set the background to the highlight color. This is so
// remaining drawing operations will have the correct background
// and foreground colors for this highlighted menu item cell.
//
GrContextForegroundSet(psContext, psMenuWidget->ui32ColorForeground);
GrContextBackgroundSet(psContext, psMenuWidget->ui32ColorHighlight);
//
// If this menu has a parent, then draw a left arrow icon on the
// focused menu item.
//
if(psMenu->psParent)
{
GrImageDraw(psContext, g_ui8LtArrow, sRect.i16XMin + 4,
sRect.i16YMin +
(psMenuWidget->ui32MenuItemHeight / 2) - 4);
}
//
// If this menu has a child menu or child widget, then draw a
// right arrow icon on the focused menu item.
//
if(psMenu->psSlideMenuItems[ui32Idx].psChildMenu ||
psMenu->psSlideMenuItems[ui32Idx].psChildWidget)
{
GrImageDraw(psContext, g_ui8RtArrow, sRect.i16XMax - 8,
sRect.i16YMin +
(psMenuWidget->ui32MenuItemHeight / 2) - 4);
}
}
//
// Otherwise this is a normal, non-highlighted menu item cell,
// so set the normal background color.
//
else
{
GrContextBackgroundSet(psContext, psMenuWidget->ui32ColorBackground);
}
//
// If the current menu is multi-selectable, then draw a checkbox on
// the menu item. Draw a checked or unchecked box depending on whether
// the item has been selected.
//
if(psMenu->bMultiSelectable)
{
if(psMenu->ui32SelectedFlags & (1 << ui32Idx))
{
GrImageDraw(psContext, g_ui8Checked, sRect.i16XMax - 12,
sRect.i16YMin +
(psMenuWidget->ui32MenuItemHeight / 2) - 4);
}
else
{
GrImageDraw(psContext, g_ui8Unchecked, sRect.i16XMax - 12,
sRect.i16YMin +
(psMenuWidget->ui32MenuItemHeight / 2) - 4);
}
}
//
// Draw the rectangle representing the menu item
//
GrRectDraw(psContext, &sRect);
//
// Draw the text for this menu item in the middle of the menu item
// rectangle (cell).
//
GrStringDrawCentered(psContext,
psMenu->psSlideMenuItems[ui32Idx].pcText,
-1,
psMenuWidget->sBase.psDisplay->ui16Width / 2,
sRect.i16YMin + \
(psMenuWidget->ui32MenuItemHeight / 2) - 1, 0);
//
// Advance to the next menu item, and update the menu item rectangle
// bounds to the next position
//
ui32Idx++;
sRect.i16YMin += psMenuWidget->ui32MenuItemHeight;
sRect.i16YMax += psMenuWidget->ui32MenuItemHeight;
//
// Note that this may attempt to render menu items that run off the
// bottom of the drawing area, but these will just be clipped and a
// little bit of processing time is wasted.
//
}
}
//*****************************************************************************
//
//! Draws a slider.
//!
//! \param pWidget is a pointer to the slider widget to be drawn.
//! \param pDirty is the subrectangle of the widget which is to be redrawn.
//! This is expressed in screen coordinates.
//!
//! This function draws a slider on the display. This is called in response to
//! a \b #WIDGET_MSG_PAINT message or when the slider position changes.
//!
//! \return None.
//
//*****************************************************************************
static void
SliderPaint(tWidget *pWidget, tRectangle *pDirty)
{
tRectangle sClipRect, sValueRect, sEmptyRect, sActiveClip;
tSliderWidget *pSlider;
tContext sCtx;
long lX, lY, bIntersect;
short sPos;
//
// Check the arguments.
//
ASSERT(pWidget);
//
// Convert the generic widget pointer into a slider widget pointer.
//
pSlider = (tSliderWidget *)pWidget;
//
// Initialize a drawing context.
//
GrContextInit(&sCtx, pWidget->pDisplay);
//
// Initialize the clipping region based on the update rectangle passed.
//
bIntersect = GrRectIntersectGet(pDirty, &(pSlider->sBase.sPosition),
&sClipRect);
GrContextClipRegionSet(&sCtx, &sClipRect);
//
// Draw the control outline if necessary.
//
if(pSlider->ulStyle & SL_STYLE_OUTLINE)
{
//
// Outline the slider with the outline color.
//
GrContextForegroundSet(&sCtx, pSlider->ulOutlineColor);
GrRectDraw(&sCtx, &(pWidget->sPosition));
//
// Adjust the clipping rectangle to prevent the outline from being
// corrupted later.
//
if(sClipRect.sXMin == pWidget->sPosition.sXMin)
{
sClipRect.sXMin++;
}
if(sClipRect.sYMin == pWidget->sPosition.sYMin)
{
sClipRect.sYMin++;
}
if(sClipRect.sXMax == pWidget->sPosition.sXMax)
{
sClipRect.sXMax--;
}
if(sClipRect.sYMax == pWidget->sPosition.sYMax)
{
sClipRect.sYMax--;
}
}
//
// Determine the position associated with the current slider value.
//
sPos = SliderValueToPosition(pSlider, pSlider->lValue);
//
// Remember this so that the dirty rectangle code in the click handler
// draws the correct thing the first time it is called.
//
pSlider->sPos = sPos;
//
// Determine the rectangles for the active and empty portions of the
// widget.
//
if(pSlider->ulStyle & SL_STYLE_VERTICAL)
{
//
// Determine the rectangle corresponding to the bottom (value) portion
// of the slider.
//
sValueRect.sXMin = pWidget->sPosition.sXMin;
sValueRect.sXMax = pWidget->sPosition.sXMax;
sValueRect.sYMin = sPos;
sValueRect.sYMax = pWidget->sPosition.sYMax;
//
// Determine the rectangle corresponding to the top (empty) portion
// of the slider.
//
sEmptyRect.sXMin = pWidget->sPosition.sXMin;
sEmptyRect.sXMax = pWidget->sPosition.sXMax;
sEmptyRect.sYMin = pWidget->sPosition.sYMin;
sEmptyRect.sYMax = max(sEmptyRect.sYMin, sValueRect.sYMin - 1);
}
else
{
//
// Determine the rectangle corresponding to the bottom (value) portion
// of the slider.
//
sValueRect.sYMin = pWidget->sPosition.sYMin;
sValueRect.sYMax = pWidget->sPosition.sYMax;
sValueRect.sXMin = pWidget->sPosition.sXMin;
sValueRect.sXMax = sPos;
//
// Determine the rectangle corresponding to the top (empty) portion
// of the slider.
//
sEmptyRect.sYMin = pWidget->sPosition.sYMin;
sEmptyRect.sYMax = pWidget->sPosition.sYMax;
sEmptyRect.sXMax = pWidget->sPosition.sXMax;
sEmptyRect.sXMin = min(sEmptyRect.sXMax, sValueRect.sXMax + 1);
}
//
// Compute the center of the slider. This will be needed later if drawing
// text or an image.
//
lX = (pWidget->sPosition.sXMin +
((pWidget->sPosition.sXMax - pWidget->sPosition.sXMin + 1) / 2));
lY = (pWidget->sPosition.sYMin +
((pWidget->sPosition.sYMax - pWidget->sPosition.sYMin + 1) / 2));
//
// Get the required clipping rectangle for the active/value part of
// the slider.
//
bIntersect = GrRectIntersectGet(&sClipRect, &sValueRect, &sActiveClip);
//
// Does any part of the value rectangle intersect with the region we are
// supposed to be redrawing?
//
if(bIntersect)
{
//
// Yes - we have something to draw.
//
//
// Set the new clipping rectangle.
//
GrContextClipRegionSet(&sCtx, &sActiveClip);
//
// Do we need to fill the active area with a color?
//
if(pSlider->ulStyle & SL_STYLE_FILL)
{
GrContextForegroundSet(&sCtx, pSlider->ulFillColor);
GrRectFill(&sCtx, &sValueRect);
}
//
// Do we need to draw an image in the active area?
//
if(pSlider->ulStyle & SL_STYLE_IMG)
{
GrContextForegroundSet(&sCtx, pSlider->ulTextColor);
GrContextBackgroundSet(&sCtx, pSlider->ulFillColor);
GrImageDraw(&sCtx, pSlider->pucImage,
lX - (GrImageWidthGet(pSlider->pucImage) / 2),
lY - (GrImageHeightGet(pSlider->pucImage) / 2));
}
//
// Do we need to render a text string over the top of the active area?
//
if(pSlider->ulStyle & SL_STYLE_TEXT)
{
GrContextFontSet(&sCtx, pSlider->pFont);
GrContextForegroundSet(&sCtx, pSlider->ulTextColor);
GrContextBackgroundSet(&sCtx, pSlider->ulFillColor);
GrStringDrawCentered(&sCtx, pSlider->pcText, -1, lX, lY,
pSlider->ulStyle & SL_STYLE_TEXT_OPAQUE);
}
}
//
// Now get the required clipping rectangle for the background portion of
// the slider.
//
bIntersect = GrRectIntersectGet(&sClipRect, &sEmptyRect, &sActiveClip);
//
// Does any part of the background rectangle intersect with the region we
// are supposed to be redrawing?
//
if(bIntersect)
{
//
// Yes - we have something to draw.
//
//
// Set the new clipping rectangle.
//
GrContextClipRegionSet(&sCtx, &sActiveClip);
//
// Do we need to fill the active area with a color?
//
if(pSlider->ulStyle & SL_STYLE_BACKG_FILL)
{
GrContextForegroundSet(&sCtx, pSlider->ulBackgroundFillColor);
GrRectFill(&sCtx, &sEmptyRect);
}
//
// Do we need to draw an image in the active area?
//
if(pSlider->ulStyle & SL_STYLE_BACKG_IMG)
{
GrContextForegroundSet(&sCtx, pSlider->ulBackgroundTextColor);
GrContextBackgroundSet(&sCtx, pSlider->ulBackgroundFillColor);
GrImageDraw(&sCtx, pSlider->pucBackgroundImage,
lX - (GrImageWidthGet(pSlider->pucBackgroundImage) / 2),
lY - (GrImageHeightGet(pSlider->pucBackgroundImage) / 2));
}
//
// Do we need to render a text string over the top of the active area?
//
if(pSlider->ulStyle & SL_STYLE_BACKG_TEXT)
{
GrContextFontSet(&sCtx, pSlider->pFont);
GrContextForegroundSet(&sCtx, pSlider->ulBackgroundTextColor);
GrContextBackgroundSet(&sCtx, pSlider->ulBackgroundFillColor);
GrStringDrawCentered(&sCtx, pSlider->pcText, -1, lX, lY,
pSlider->ulStyle & SL_STYLE_BACKG_TEXT_OPAQUE);
}
}
}
//*****************************************************************************
//
// Initialize and operate the data logger.
//
//*****************************************************************************
int
main(void)
{
tContext sDisplayContext, sBufferContext;
uint32_t ui32HibIntStatus, ui32SysClock, ui32LastTickCount;
bool bSkipSplash;
uint8_t ui8ButtonState, ui8ButtonChanged;
uint_fast8_t ui8X, ui8Y;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
MAP_FPULazyStackingEnable();
//
// Set the clocking to run at 50 MHz.
//
MAP_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
ui32SysClock = MAP_SysCtlClockGet();
//
// Initialize locals.
//
bSkipSplash = false;
ui32LastTickCount = 0;
//
// Initialize the data acquisition module. This initializes the ADC
// hardware.
//
AcquireInit();
//
// Enable access to the hibernate peripheral. If the hibernate peripheral
// was already running then this will have no effect.
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_HIBERNATE);
//
// Check to see if the hiberate module is already active and if so then
// read the saved configuration state. If both are okay, then proceed
// to check and see if we are logging data using sleep mode.
//
if(HibernateIsActive() && !GetSavedState(&g_sConfigState))
{
//
// Read the status of the hibernate module.
//
ui32HibIntStatus = HibernateIntStatus(1);
//
// If this is a pin wake, that means the user pressed the select
// button and we should terminate the sleep logging. In this case
// we will fall out of this conditional section, and go through the
// normal startup below, but skipping the splash screen so the user
// gets immediate response.
//
if(ui32HibIntStatus & HIBERNATE_INT_PIN_WAKE)
{
//
// Clear the interrupt flag so it is not seen again until another
// wake.
//
HibernateIntClear(HIBERNATE_INT_PIN_WAKE);
bSkipSplash = true;
}
//
// Otherwise if we are waking from hibernate and it was not a pin
// wake, then it must be from RTC match. Check to see if we are
// sleep logging and if so then go through an abbreviated startup
// in order to collect the data and go back to sleep.
//
else if(g_sConfigState.ui32SleepLogging &&
(ui32HibIntStatus & HIBERNATE_INT_RTC_MATCH_0))
{
//
// Start logger and pass the configuration. The logger should
// configure itself to take one sample.
//
AcquireStart(&g_sConfigState);
g_iLoggerState = eSTATE_LOGGING;
//
// Enter a forever loop to run the acquisition. This will run
// until a new sample has been taken and stored.
//
while(!AcquireRun())
{
}
//
// Getting here means that a data acquisition was performed and we
// can now go back to sleep. Save the configuration and then
// activate the hibernate.
//
SetSavedState(&g_sConfigState);
//
// Set wake condition on pin-wake or RTC match. Then put the
// processor in hibernation.
//
HibernateWakeSet(HIBERNATE_WAKE_PIN | HIBERNATE_WAKE_RTC);
HibernateRequest();
//
// Hibernating takes a finite amount of time to occur, so wait
// here forever until hibernate activates and the processor
// power is removed.
//
for(;;)
{
}
}
//
// Otherwise, this was not a pin wake, and we were not sleep logging,
// so just fall out of this conditional and go through the normal
// startup below.
//
}
else
{
//
// In this case, either the hibernate module was not already active, or
// the saved configuration was not valid. Initialize the configuration
// to the default state and then go through the normal startup below.
//
GetDefaultState(&g_sConfigState);
}
//
// Enable the Hibernate module to run.
//
HibernateEnableExpClk(SysCtlClockGet());
//
// The hibernate peripheral trim register must be set per silicon
// erratum 2.1
//
HibernateRTCTrimSet(0x7FFF);
//
// Start the RTC running. If it was already running then this will have
// no effect.
//
HibernateRTCEnable();
//
// In case we were sleep logging and are now finished (due to user
// pressing select button), then disable sleep logging so it doesnt
// try to start up again.
//
g_sConfigState.ui32SleepLogging = 0;
SetSavedState(&g_sConfigState);
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize the buttons driver.
//
ButtonsInit();
//
// Pass the restored state to the menu system.
//
MenuSetState(&g_sConfigState);
//
// Enable the USB peripheral
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0);
//
// Configure the required pins for USB operation.
//
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);
MAP_GPIOPinConfigure(GPIO_PG4_USB0EPEN);
MAP_GPIOPinTypeUSBDigital(GPIO_PORTG_BASE, GPIO_PIN_4);
MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOL);
MAP_GPIOPinTypeUSBAnalog(GPIO_PORTL_BASE, GPIO_PIN_6 | GPIO_PIN_7);
MAP_GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Erratum workaround for silicon revision A1. VBUS must have pull-down.
//
if(CLASS_IS_BLIZZARD && REVISION_IS_A1)
{
HWREG(GPIO_PORTB_BASE + GPIO_O_PDR) |= GPIO_PIN_1;
}
//
// Initialize the USB stack mode and pass in a mode callback.
//
USBStackModeSet(0, eUSBModeOTG, ModeCallback);
//
// Initialize the stack to be used with USB stick.
//
USBStickInit();
//
// Initialize the stack to be used as a serial device.
//
USBSerialInit();
//
// Initialize the USB controller for dual mode operation with a 2ms polling
// rate.
//
USBOTGModeInit(0, 2000, g_pui8HCDPool, HCD_MEMORY_SIZE);
//
// Initialize the menus module. This module will control the user
// interface menuing system.
//
MenuInit(WidgetActivated);
//
// Configure SysTick to periodically interrupt.
//
g_ui32TickCount = 0;
MAP_SysTickPeriodSet(ui32SysClock / CLOCK_RATE);
MAP_SysTickIntEnable();
MAP_SysTickEnable();
//
// Initialize the display context and another context that is used
// as an offscreen drawing buffer for display animation effect
//
GrContextInit(&sDisplayContext, &g_sCFAL96x64x16);
GrContextInit(&sBufferContext, &g_sOffscreenDisplayA);
//
// Show the splash screen if we are not skipping it. The only reason to
// skip it is if the application was in sleep-logging mode and the user
// just waked it up with the select button.
//
if(!bSkipSplash)
{
const uint8_t *pui8SplashLogo = g_pui8Image_TI_Black;
//
// Draw the TI logo on the display. Use an animation effect where the
// logo will "slide" onto the screen. Allow select button to break
// out of animation.
//
for(ui8X = 0; ui8X < 96; ui8X++)
{
if(ButtonsPoll(0, 0) & SELECT_BUTTON)
{
break;
}
GrImageDraw(&sDisplayContext, pui8SplashLogo, 95 - ui8X, 0);
}
//
// Leave the logo on the screen for a long duration. Monitor the
// buttons so that if the user presses the select button, the logo
// display is terminated and the application starts immediately.
//
while(g_ui32TickCount < 400)
{
if(ButtonsPoll(0, 0) & SELECT_BUTTON)
{
break;
}
}
//
// Extended splash sequence
//
if(ButtonsPoll(0, 0) & UP_BUTTON)
{
for(ui8X = 0; ui8X < 96; ui8X += 4)
{
GrImageDraw(&sDisplayContext,
g_ppui8Image_Splash[(ui8X / 4) & 3],
(int32_t)ui8X - 96L, 0);
GrImageDraw(&sDisplayContext, pui8SplashLogo, ui8X, 0);
MAP_SysCtlDelay(ui32SysClock / 12);
}
MAP_SysCtlDelay(ui32SysClock / 3);
pui8SplashLogo = g_ppui8Image_Splash[4];
GrImageDraw(&sDisplayContext, pui8SplashLogo, 0, 0);
MAP_SysCtlDelay(ui32SysClock / 12);
}
//
// Draw the initial menu into the offscreen buffer.
//
SlideMenuDraw(&g_sMenuWidget, &sBufferContext, 0);
//
// Now, draw both the TI logo splash screen (from above) and the initial
// menu on the screen at the same time, moving the coordinates so that
// the logo "slides" off the display and the menu "slides" onto the
// display.
//
for(ui8Y = 0; ui8Y < 64; ui8Y++)
{
GrImageDraw(&sDisplayContext, pui8SplashLogo, 0, -ui8Y);
GrImageDraw(&sDisplayContext, g_pui8OffscreenBufA, 0, 63 - ui8Y);
}
}
//
// Add the menu widget to the widget tree and send an initial paint
// request.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sMenuWidget);
WidgetPaint(WIDGET_ROOT);
//
// Set the focus handle to the menu widget. Any button events will be
// sent to this widget
//
g_ui32KeyFocusWidgetHandle = (uint32_t)&g_sMenuWidget;
//
// Forever loop to run the application
//
while(1)
{
//
// Each time the timer tick occurs, process any button events.
//
if(g_ui32TickCount != ui32LastTickCount)
{
//
// Remember last tick count
//
ui32LastTickCount = g_ui32TickCount;
//
// Read the debounced state of the buttons.
//
ui8ButtonState = ButtonsPoll(&ui8ButtonChanged, 0);
//
// Pass any button presses through to the widget message
// processing mechanism. The widget that has the button event
// focus (probably the menu widget) will catch these button events.
//
if(BUTTON_PRESSED(SELECT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_SELECT);
}
if(BUTTON_PRESSED(UP_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_UP);
}
if(BUTTON_PRESSED(DOWN_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_DOWN);
}
if(BUTTON_PRESSED(LEFT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_LEFT);
}
if(BUTTON_PRESSED(RIGHT_BUTTON, ui8ButtonState, ui8ButtonChanged))
{
SendWidgetKeyMessage(WIDGET_MSG_KEY_RIGHT);
}
}
//
// Tell the OTG library code how much time has passed in milliseconds
// since the last call.
//
USBOTGMain(GetTickms());
//
// Call functions as needed to keep the host or device mode running.
//
if(g_iCurrentUSBMode == eUSBModeDevice)
{
USBSerialRun();
}
else if(g_iCurrentUSBMode == eUSBModeHost)
{
USBStickRun();
}
//
// If in the logging state, then call the logger run function. This
// keeps the data acquisition running.
//
if((g_iLoggerState == eSTATE_LOGGING) ||
(g_iLoggerState == eSTATE_VIEWING))
{
if(AcquireRun() && g_sConfigState.ui32SleepLogging)
{
//
// If sleep logging is enabled, then at this point we have
// stored the first data item, now save the state and start
// hibernation. Wait for the power to be cut.
//
SetSavedState(&g_sConfigState);
HibernateWakeSet(HIBERNATE_WAKE_PIN | HIBERNATE_WAKE_RTC);
HibernateRequest();
for(;;)
{
}
}
//
// If viewing instead of logging then request a repaint to keep
// the viewing window updated.
//
if(g_iLoggerState == eSTATE_VIEWING)
{
WidgetPaint(WIDGET_ROOT);
}
}
//
// If in the saving state, then save data from flash storage to
// USB stick.
//
if(g_iLoggerState == eSTATE_SAVING)
{
//
// Save data from flash to USB
//
FlashStoreSave();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If in the erasing state, then erase the data stored in flash.
//
if(g_iLoggerState == eSTATE_ERASING)
{
//
// Save data from flash to USB
//
FlashStoreErase();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If in the flash reporting state, then show the report of the amount
// of used and free flash memory.
//
if(g_iLoggerState == eSTATE_FREEFLASH)
{
//
// Report free flash space
//
FlashStoreReport();
//
// Return to idle state
//
g_iLoggerState = eSTATE_IDLE;
}
//
// If we are exiting the clock setting widget, that means that control
// needs to be given back to the menu system.
//
if(g_iLoggerState == eSTATE_CLOCKEXIT)
{
//
// Give the button event focus back to the menu system
//
g_ui32KeyFocusWidgetHandle = (uint32_t)&g_sMenuWidget;
//
// Send a button event to the menu widget that means the left
// key was pressed. This signals the menu widget to deactivate
// the current child widget (which was the clock setting wigdet).
// This will cause the menu widget to slide the clock set widget
// off the screen and resume control of the display.
//
SendWidgetKeyMessage(WIDGET_MSG_KEY_LEFT);
g_iLoggerState = eSTATE_IDLE;
}
//
// Process any new messages that are in the widget queue. This keeps
// the user interface running.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
//! Draws a radio button widget.
//!
//! \param psWidget is a pointer to the radio button widget to be drawn.
//! \param bClick is a boolean that is \b true if the paint request is a result
//! of a pointer click and \b false if not.
//!
//! This function draws a radio button widget on the display. This is called
//! in response to a \b #WIDGET_MSG_PAINT message.
//!
//! \return None.
//
//*****************************************************************************
static void
RadioButtonPaint(tWidget *psWidget, uint32_t bClick)
{
tRadioButtonWidget *pRadio;
tContext sCtx;
int32_t i32X, i32Y;
//
// Check the arguments.
//
ASSERT(psWidget);
//
// Convert the generic widget pointer into a radio button widget pointer.
//
pRadio = (tRadioButtonWidget *)psWidget;
//
// Initialize a drawing context.
//
GrContextInit(&sCtx, psWidget->psDisplay);
//
// Initialize the clipping region based on the extents of this radio
// button.
//
GrContextClipRegionSet(&sCtx, &(psWidget->sPosition));
//
// See if the radio button fill style is selected.
//
if((pRadio->ui16Style & RB_STYLE_FILL) && !bClick)
{
//
// Fill the radio button with the fill color.
//
GrContextForegroundSet(&sCtx, pRadio->ui32FillColor);
GrRectFill(&sCtx, &(psWidget->sPosition));
}
//
// See if the radio button outline style is selected.
//
if((pRadio->ui16Style & RB_STYLE_OUTLINE) && !bClick)
{
//
// Outline the radio button with the outline color.
//
GrContextForegroundSet(&sCtx, pRadio->ui32OutlineColor);
GrRectDraw(&sCtx, &(psWidget->sPosition));
}
//
// Draw the radio button.
//
i32X = psWidget->sPosition.i16XMin + (pRadio->ui16CircleSize / 2) + 2;
i32Y = (psWidget->sPosition.i16YMin +
((psWidget->sPosition.i16YMax - psWidget->sPosition.i16YMin) / 2));
if(!bClick)
{
GrContextForegroundSet(&sCtx, pRadio->ui32OutlineColor);
GrCircleDraw(&sCtx, i32X, i32Y, pRadio->ui16CircleSize / 2);
}
//
// Select the foreground color based on whether or not the radio button is
// selected.
//
if(pRadio->ui16Style & RB_STYLE_SELECTED)
{
GrContextForegroundSet(&sCtx, pRadio->ui32OutlineColor);
}
else
{
GrContextForegroundSet(&sCtx, pRadio->ui32FillColor);
}
//
// Fill in the radio button.
//
GrCircleFill(&sCtx, i32X, i32Y, (pRadio->ui16CircleSize / 2) - 2);
//
// See if the radio button text or image style is selected.
//
if((pRadio->ui16Style & (RB_STYLE_TEXT | RB_STYLE_IMG)) && !bClick)
{
//
// Shrink the clipping region by the size of the radio button so that
// it is not overwritten by further "decorative" portions of the
// widget.
//
sCtx.sClipRegion.i16XMin += pRadio->ui16CircleSize + 4;
//
// If the radio button outline style is selected then shrink the
// clipping region by one pixel on each side so that the outline is not
// overwritten by the text or image.
//
if(pRadio->ui16Style & RB_STYLE_OUTLINE)
{
sCtx.sClipRegion.i16YMin++;
sCtx.sClipRegion.i16XMax--;
sCtx.sClipRegion.i16YMax--;
}
//
// See if the radio button image style is selected.
//
if(pRadio->ui16Style & RB_STYLE_IMG)
{
//
// Determine where along the Y extent of the widget to draw the
// image. It is drawn at the top if it takes all (or more than
// all) of the Y extent of the widget, and it is drawn centered if
// it takes less than the Y extent.
//
if(GrImageHeightGet(pRadio->pui8Image) >
(sCtx.sClipRegion.i16YMax - sCtx.sClipRegion.i16YMin))
{
i32Y = sCtx.sClipRegion.i16YMin;
}
else
{
i32Y = (sCtx.sClipRegion.i16YMin +
((sCtx.sClipRegion.i16YMax - sCtx.sClipRegion.i16YMin -
GrImageHeightGet(pRadio->pui8Image) + 1) / 2));
}
//
// Set the foreground and background colors to use for 1 BPP
// images.
//
GrContextForegroundSet(&sCtx, pRadio->ui32TextColor);
GrContextBackgroundSet(&sCtx, pRadio->ui32FillColor);
//
// Draw the image next to the radio button.
//
GrImageDraw(&sCtx, pRadio->pui8Image, sCtx.sClipRegion.i16XMin,
i32Y);
}
//
// See if the radio button text style is selected.
//
if(pRadio->ui16Style & RB_STYLE_TEXT)
{
//
// Determine where along the Y extent of the widget to draw the
// string. It is drawn at the top if it takes all (or more than
// all) of the Y extent of the widget, and it is drawn centered if
// it takes less than the Y extent.
//
if(GrFontHeightGet(pRadio->psFont) >
(sCtx.sClipRegion.i16YMax - sCtx.sClipRegion.i16YMin))
{
i32Y = sCtx.sClipRegion.i16YMin;
}
else
{
i32Y = (sCtx.sClipRegion.i16YMin +
((sCtx.sClipRegion.i16YMax - sCtx.sClipRegion.i16YMin -
GrFontHeightGet(pRadio->psFont) + 1) / 2));
}
//
// Draw the text next to the radio button.
//
GrContextFontSet(&sCtx, pRadio->psFont);
GrContextForegroundSet(&sCtx, pRadio->ui32TextColor);
GrContextBackgroundSet(&sCtx, pRadio->ui32FillColor);
GrStringDraw(&sCtx, pRadio->pcText, -1, sCtx.sClipRegion.i16XMin,
i32Y, pRadio->ui16Style & RB_STYLE_TEXT_OPAQUE);
}
}
}
//*****************************************************************************
//
// The main code for the application. It sets up the peripherals, displays the
// splash screens, and then manages the interaction between the game and the
// screen saver.
//
//*****************************************************************************
int
main(void)
{
tRectangle sRect;
#ifndef _TMS320C6X
unsigned int index;
#endif
SetupIntc();
/* Configuring UART2 instance for serial communication. */
UARTStdioInit();
#ifdef _TMS320C6X
CacheEnableMAR((unsigned int)0xC0000000, (unsigned int)0x20000000);
CacheEnable(L1PCFG_L1PMODE_32K | L1DCFG_L1DMODE_32K | L2CFG_L2MODE_256K);
#else
/* Sets up 'Level 1" page table entries.
* The page table entry consists of the base address of the page
* and the attributes for the page. The following operation is to
* setup one-to-one mapping page table for DDR memeory range and set
* the atributes for the same. The DDR memory range is from 0xC0000000
* to 0xDFFFFFFF. Thus the base of the page table ranges from 0xC00 to
* 0xDFF. Cache(C bit) and Write Buffer(B bit) are enabled only for
* those page table entries which maps to DDR RAM and internal RAM.
* All the pages in the DDR range are provided with R/W permissions
*/
for(index = 0; index < (4*1024); index++)
{
if((index >= 0xC00 && index < 0xE00)|| (index == 0x800))
{
pageTable[index] = (index << 20) | 0x00000C1E;
}
else
{
pageTable[index] = (index << 20) | 0x00000C12;
}
}
/* Configures translation table base register
* with pagetable base address.
*/
CP15TtbSet((unsigned int )pageTable);
/* Enables MMU */
CP15MMUEnable();
/* Enable Instruction Cache */
CP15ICacheEnable();
/* Enable Data Cache */
CP15DCacheEnable();
#endif
SetUpLCD();
ConfigureFrameBuffer();
GrOffScreen16BPPInit(&g_sSHARP480x272x16Display0, (unsigned char *)g_pucBuffer0, LCD_WIDTH, LCD_HEIGHT);
GrOffScreen16BPPInit(&g_sSHARP480x272x16Display1, (unsigned char *)g_pucBuffer1, LCD_WIDTH, LCD_HEIGHT);
// Initialize a drawing context.
GrContextInit(&sContext0, &g_sSHARP480x272x16Display0);
GrContextInit(&sContext1, &g_sSHARP480x272x16Display1);
/* enable End of frame interrupt */
RasterEndOfFrameIntEnable(SOC_LCDC_0_REGS);
/* enable raster */
RasterEnable(SOC_LCDC_0_REGS);
PeripheralsSetup();
I2C0IntRegister(4);
AIC31Init();
ToneLoopInit();
/* Start playing the tone */
ToneLoopStart();
// TS init
TouchInit();
GrContextForegroundSet(&sContext0, ClrBlack);
GrContextForegroundSet(&sContext1, ClrBlack);
sRect.sXMin = GAME_X - 1;
sRect.sYMin = GAME_Y - 1;
sRect.sXMax = GAME_X + GAME_W;
sRect.sYMax = GAME_Y + GAME_H;
GrRectFill(&sContext0, &sRect);
GrRectFill(&sContext1, &sRect);
GrImageDraw(&sContext0, g_pucTILogo128x96, GAME_X, GAME_Y);
GrImageDraw(&sContext1, g_pucTILogo128x96, GAME_X, GAME_Y);
Delay(0x5FFFFF);
// Confiure and start timer2
Timer2Config();
Timer2Start();
// Loop forever.
while(1)
{
// Display the main screen.
if(MainScreen())
{
// The button was pressed, so start the game.
PlayGame();
}
else
{
// The button was not pressed during the timeout period, so start
// the screen saver.
ScreenSaver();
}
}
}
//*****************************************************************************
//
// Handles paint requests for the primitives canvas widget.
//
//*****************************************************************************
void
OnPrimitivePaint(tWidget *pWidget, tContext *pContext)
{
unsigned int ulIdx;
tRectangle sRect;
//
// Draw a vertical sweep of lines from red to green.
//
for(ulIdx = 0; ulIdx <= 8; ulIdx++)
{
GrContextForegroundSet(pContext,
(((((10 - ulIdx) * 255) / 10) << ClrRedShift) |
(((ulIdx * 255) / 10) << ClrGreenShift)));
GrLineDraw(pContext, 115+X_OFFSET, 120+Y_OFFSET, 5+X_OFFSET, 120+Y_OFFSET - (11 * ulIdx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ulIdx = 1; ulIdx <= 10; ulIdx++)
{
GrContextForegroundSet(pContext,
(((((10 - ulIdx) * 255) / 10) <<
ClrGreenShift) |
(((ulIdx * 255) / 10) << ClrBlueShift)));
GrLineDraw(pContext, 115+X_OFFSET, 120+Y_OFFSET, 5 + (ulIdx * 11)+X_OFFSET, 29+Y_OFFSET);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(pContext, ClrBrown);
GrCircleFill(pContext, 185+X_OFFSET, 69+Y_OFFSET, 40);
GrContextForegroundSet(pContext, ClrSkyBlue);
GrCircleDraw(pContext, 205+X_OFFSET, 99+Y_OFFSET, 30);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(pContext, ClrSlateGray);
sRect.sXMin = 20+X_OFFSET;
sRect.sYMin = 100+Y_OFFSET;
sRect.sXMax = 75+X_OFFSET;
sRect.sYMax = 160+Y_OFFSET;
GrRectFill(pContext, &sRect);
GrContextForegroundSet(pContext, ClrSlateBlue);
sRect.sXMin += 40;
sRect.sYMin += 40;
sRect.sXMax += 30;
sRect.sYMax += 28;
GrRectDraw(pContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(pContext, ClrSilver);
GrContextFontSet(pContext, &g_sFontCm14);
GrStringDraw(pContext, "Strings", -1, 125+X_OFFSET, 110+Y_OFFSET, 0);
GrContextFontSet(pContext, &g_sFontCm18);
GrStringDraw(pContext, "Strings", -1, 145+X_OFFSET, 124+Y_OFFSET, 0);
GrContextFontSet(pContext, &g_sFontCm22);
GrStringDraw(pContext, "Strings", -1, 165+X_OFFSET, 142+Y_OFFSET, 0);
GrContextFontSet(pContext, &g_sFontCm24);
GrStringDraw(pContext, "Strings", -1, 185+X_OFFSET, 162+Y_OFFSET, 0);
//
// Draw an image.
//
GrImageDraw(pContext, g_TILogo, 240+X_OFFSET, 60+Y_OFFSET);
}
//*****************************************************************************
//
// Draw the pop up buttons on the screen.
//
//*****************************************************************************
static void
DrawButtons(int32_t i32Offset, bool bClear)
{
static const tRectangle sRectTop = {
140,
BG_MIN_Y,
171,
BG_MIN_Y + 10,
};
static const tRectangle sRectRight = {
BG_MAX_X - 11,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2),
BG_MAX_X,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2) + 40,
};
static const tRectangle sRectLeft = {
BG_MIN_X,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2),
BG_MIN_X + 10,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2) + 40,
};
//
// Only draw if they are enabled.
//
if(g_sButtons.bEnabled == false) {
return;
}
//
// Draw the three pop up buttons.
//
if(g_i32ScreenIdx == SCREEN_SUMMARY || g_i32ScreenIdx == SCREEN_DETAILS) {
GrContextForegroundSet(&g_sContext, ClrBlack);
GrContextBackgroundSet(&g_sContext, ClrGray);
GrRectFill(&g_sContext, &sRectRight);
GrRectFill(&g_sContext, &sRectLeft);
if(bClear == false) {
GrLineDrawH(&g_sContext, 140, 171, BG_MIN_Y + 10 + i32Offset);
GrImageDraw(&g_sContext, g_pui8DownTabImage, 140,
BG_MIN_Y + i32Offset);
GrTransparentImageDraw(&g_sContext, g_pui8RightImage,
BG_MAX_X - 10 + i32Offset,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2),
1);
GrTransparentImageDraw(&g_sContext, g_pui8LeftImage,
BG_MIN_X - i32Offset,
BG_MIN_Y - 20 + ((BG_MAX_Y - BG_MIN_Y) / 2),
1);
} else {
GrRectFill(&g_sContext, &sRectTop);
}
} else if(g_i32ScreenIdx == SCREEN_TI) {
GrContextForegroundSet(&g_sContext, ClrGray);
GrContextBackgroundSet(&g_sContext, ClrWhite);
if(bClear == false) {
GrLineDrawH(&g_sContext, 140, 171, BG_MAX_Y - 11 - i32Offset);
GrImageDraw(&g_sContext, g_pui8UpTabImage, 140,
BG_MAX_Y - 10 - i32Offset);
}
}
}
//*****************************************************************************
//
//! Performs the sliding menu operation, in response to the "up" button.
//!
//! \param psWidget is a pointer to the slide menu widget to move up.
//!
//! This function will respond to the "up" key/button event. The up
//! button is used to select the previous menu item down the list, and the
//! effect is that the menu itself slides down, leaving the highlighted menu
//! item in the middle of the screen.
//!
//! This function repeatedly draws the menu onto the display until the sliding
//! animation is finished and will not return to the caller until then. This
//! function is usually called from the thread context of
//! WidgetMessageQueueProcess().
//!
//! \return Returns a non-zero value if the menu was moved or was not moved
//! because it is already at the first position. If a child widget is active
//! then this function does nothing and returns a 0.
//
//*****************************************************************************
static int32_t
SlideMenuUp(tWidget *psWidget)
{
tSlideMenuWidget *psMenuWidget;
tSlideMenu *psMenu;
tContext sContext;
uint32_t ui32MenuHeight;
uint32_t ui32Y;
//
// If this menu widget has a child widget, that means the child widget
// is in control of the display, and there is nothing to do here.
//
if(psWidget->psChild)
{
return(0);
}
//
// Get handy pointers to the menu widget, and the menu that is currently
// displayed.
//
psMenuWidget = (tSlideMenuWidget *)psWidget;
psMenu = psMenuWidget->psSlideMenu;
//
// If we are already at the start of the list of menu items, then there
// is nothing else to do.
//
if(psMenu->ui32FocusIndex == 0)
{
return(1);
}
//
// Decrement the focus menu item. This has the effect of selecting the
// previous menu item in the list.
//
psMenu->ui32FocusIndex--;
//
// Initialize a context for the primary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
GrContextInit(&sContext, psMenuWidget->psDisplayA);
//
// Render the menu into the off-screen buffer. This will be the same
// menu appearance as before, except the highlighted item has changed
// to the previous menu item up.
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Draw a continuation of this menu in the second offscreen buffer.
// This is the part of the menu that would be drawn above this menu if the
// display were twice as tall. We are effectively creating a virtual
// display that is twice as tall as the physical display.
//
GrContextInit(&sContext, psMenuWidget->psDisplayB);
SlideMenuDraw(psMenuWidget, &sContext,
(psMenuWidget->sBase.sPosition.i16YMax -
psMenuWidget->sBase.sPosition.i16YMin));
//
// Initialize a drawing context for the display where the widget is to be
// drawn. This is the physical display, not an off-screen buffer.
//
GrContextInit(&sContext, psWidget->psDisplay);
//
// Initialize the clipping region on the physical display, based on the
// extents of this widget.
//
GrContextClipRegionSet(&sContext, &(psWidget->sPosition));
//
// Get the height of the displayed part of the menu.
//
ui32MenuHeight = psMenuWidget->psDisplayA->ui16Height;
//
// Now copy the rendered menu into the physical display
//
// Iterate over the Y displacement of one menu item cell. This loop
// will repeatedly draw both off screen buffers to the physical display,
// adjusting the position of each by one pixel each time it is drawn. Each
// time the offset is changed so that both buffers are drawn one lower
// than the previous time. This will have the effect of "sliding" the
// entire menu down by the height of one menu item cell.
// The speed of the animation is controlled entirely by the speed of the
// processor and the speed of the interface to the physical display.
//
for(ui32Y = 0; ui32Y <= psMenuWidget->ui32MenuItemHeight; ui32Y++)
{
GrImageDraw(&sContext, psMenuWidget->psDisplayB->pvDisplayData,
psWidget->sPosition.i16XMin,
psWidget->sPosition.i16YMin + ui32Y - ui32MenuHeight);
GrImageDraw(&sContext, psMenuWidget->psDisplayA->pvDisplayData,
psWidget->sPosition.i16XMin,
psWidget->sPosition.i16YMin + ui32Y);
}
//
// Decrement the centered menu item. This will now match the menu item
// with the focus. When the menu is repainted again, the newly selected
// menu item will be centered and highlighted.
//
psMenu->ui32CenterIndex = psMenu->ui32FocusIndex;
//
// Initialize a context for the primary off-screen drawing buffer.
// Clip region is set to entire display by default, which is what we want.
//
GrContextInit(&sContext, psMenuWidget->psDisplayA);
//
// Render the menu into the off-screen buffer. This will be the same
// menu appearance as before, except the highlighted item has changed
// to the next menu item up. Now when a repaint occurs the menu
// will be redrawn with the newly highlighted menu item.
//
SlideMenuDraw(psMenuWidget, &sContext, 0);
//
// Return indication that we handled the key event.
//
return(1);
}
/*
* ======== grlibTaskFxn ========
* Drawing task
*
* It is pending for the message either from console task or from button ISR.
* Once the messages received, it draws to the screen based on information
* contained in the message.
*/
Void grlibTaskFxn(UArg arg0, UArg arg1)
{
DrawMessage curMsg;
const UChar *pucCurImage;
UInt key;
UInt fontHeight = GrStringHeightGet(&context);
while (TRUE) {
Mailbox_pend(mailboxHandle, &curMsg, BIOS_WAIT_FOREVER);
fillBox(4);
/* Clear screen before drawing */
clearDisplay();
/* Parse the message and draw */
switch (curMsg.drawCommand) {
case IMAGE:
pucCurImage = image_Gallery[curMsg.drawImageIndex];
/* Draw image at (0,0) */
GrImageDraw(&context, pucCurImage, 0, 0);
break;
case KeyBoadCOMMAND:
switch(curMsg.MoveCommand){
case UP:
// copy the data to message
key = Gate_enterSystem();
up_remove_blank(4);
up(4);
copyFrom2048ArrayToDrawMessage(4,curMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
break;
case DOWN:
// copy the data to message
key = Gate_enterSystem();
down_remove_blank(4);
down(4);
copyFrom2048ArrayToDrawMessage(4,curMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
break;
case LEFT:
// copy the data to message
key = Gate_enterSystem();
left_remove_blank(4);
left(4);
copyFrom2048ArrayToDrawMessage(4,curMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
break;
case RIGHT:
// copy the data to message
key = Gate_enterSystem();
right_remove_blank(4);
right(4);
copyFrom2048ArrayToDrawMessage(4,curMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
break;
default:
break;
}
output(4,curMsg.draw2048);
break;
case ScreenCOMMAND:
// copy the data to message
key = Gate_enterSystem();
fillBox(4);
Gate_leaveSystem(key);
output(4,curMsg.draw2048);
System_printf("here\n");
// printf("data X %d , data Y %d /n",curMsg.touchPosition[0],curMsg.touchPosition[1]);
break;
default:
break;
}
}
}
