/*******************************************************************
*
* _ShowComments
*
* Shows all comments of a GIF file
*/
static void _ShowComments(const char * pFile, int FileSize) {
GUI_RECT Rect = {80, 100, 239, 199};
char acBuffer[256] = {0};
int CommentCnt;
/* Display sample information */
GUI_SetFont(&GUI_Font8x16);
GUI_ClearRect(0, 40, 319, 59);
GUI_DispStringHCenterAt("Show all comments of a GIF file", 160, 40);
/* Show all comments */
GUI_ClearRect(0, 60, 319, 239); /* Clear the image area */
CommentCnt = 0;
while (!GUI_GIF_GetComment(pFile, FileSize, (unsigned char *)acBuffer, sizeof(acBuffer), CommentCnt)) {
char acNumber[12] = "Comment #0:";
acNumber[9] = '0' + CommentCnt;
GUI_DispStringHCenterAt(acNumber, 160, 80);
GUI_SetBkColor(GUI_BLACK);
GUI_SetColor(GUI_WHITE);
GUI_ClearRectEx(&Rect);
GUI_DispStringInRectWrap(acBuffer, &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
GUI_SetBkColor(GUI_WHITE);
GUI_SetColor(GUI_BLACK);
GUI_Delay(4000); /* Wait a while */
CommentCnt++;
}
}
/*********************************************************************
*
* _Paint
*/
static void _Paint(TEXT_Handle hObj, TEXT_Obj* pObj) {
const char * s;
GUI_RECT Rect;
GUI_USE_PARA(hObj);
LCD_SetColor(pObj->Props.TextColor);
GUI_SetFont (pObj->Props.pFont);
/* Fill with parents background color */
#if !TEXT_SUPPORT_TRANSPARENCY /* Not needed any more, since window is transparent*/
if (pObj->Props.BkColor == GUI_INVALID_COLOR) {
LCD_SetBkColor(WIDGET__GetBkColor(hObj));
} else {
LCD_SetBkColor(pObj->Props.BkColor);
}
GUI_Clear();
#else
if (!WM_GetHasTrans(hObj)) {
LCD_SetBkColor(pObj->Props.BkColor);
GUI_Clear();
}
#endif
/* Show the text */
if (pObj->hpText) {
s = (const char*) GUI_ALLOC_h2p(pObj->hpText);
GUI_SetTextMode(GUI_TM_TRANS);
WM_GetClientRect(&Rect);
GUI_DispStringInRectWrap(s, &Rect, pObj->Align, pObj->Props.WrapMode);
}
}
/*********************************************************************
*
* _DrawJPEGs
*
* Function description
* Draws the given JPEG image.
*/
static void _DrawJPEGs(const char * sFileName) {
static int i;
const char acError[] = "There is possibly not enough memory to display this JPEG image.\n\nPlease assign more memory to emWin in GUIConf.c.";
GUI_JPEG_INFO Info;
GUI_RECT Rect;
HANDLE hFile;
DWORD NumBytesRead;
DWORD FileSize;
char * pFile;
int xSize, ySize;
int xPos, yPos;
int r;
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
//
// Display file name.
//
Rect.x0 = BORDER_SIZE;
Rect.y0 = TITLE_HEIGHT;
Rect.x1 = xSize - BORDER_SIZE - 1;
Rect.y1 = YPOS_IMAGE - 1;
GUI_ClearRectEx(&Rect);
GUI_SetTextMode(GUI_TM_NORMAL);
GUI_SetFont(&GUI_Font8x16);
GUI_DispStringInRectWrap(sFileName, &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_CHAR);
//
// Clear the area in which the JPEG files are displayed.
//
Rect.x0 = BORDER_SIZE;
Rect.y0 = YPOS_IMAGE;
Rect.x1 = xSize - BORDER_SIZE - 1;
Rect.y1 = ySize - BORDER_SIZE - 1;
GUI_ClearRectEx(&Rect);
//
// Load image.
//
hFile = CreateFile(sFileName, GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
FileSize = GetFileSize(hFile, NULL);
pFile = malloc(FileSize);
ReadFile(hFile, pFile, FileSize, &NumBytesRead, NULL);
CloseHandle(hFile);
//
// Check if the current JPEG image fits on the screen.
//
GUI_JPEG_GetInfo(pFile, FileSize, &Info);
xSize -= BORDER_SIZE * 2 + 1;
ySize -= YPOS_IMAGE + BORDER_SIZE + 1;
//
// Display the image centered.
//
xPos = BORDER_SIZE + (xSize - Info.XSize) / 2;
yPos = YPOS_IMAGE + (ySize - Info.YSize) / 2;
GUI_SetClipRect(&Rect);
r = GUI_JPEG_Draw(pFile, FileSize, xPos, yPos);
GUI_SetClipRect(NULL);
if (r) {
//
// The image could not be displayed successfully. Show an error message.
//
GUI_DispStringInRectWrap(acError, &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
} else {
GUI_Delay(2000);
if ((Info.XSize > xSize) || (Info.YSize > ySize)) {
//
// Inform the user about the possibility of scaling JPEG images.
//
if (i == 0) {
GUI_ClearRectEx(&Rect);
GUI_DispStringInRectWrap("JPEG images can be scaled as it is shown in 2DGL_JPEG_DrawScaled.c.", &Rect, GUI_TA_BOTTOM | GUI_TA_HCENTER, GUI_WRAPMODE_WORD);
GUI_Delay(3000);
}
i++;
if (i == NUM_IMAGES_UNTIL_HINT) {
i = 0;
}
}
}
free(pFile);
}
/*********************************************************************
*
* _DrawSample
*/
static void _DrawSample(GUI_RECT Rect, const GUI_FONT * pFont, const char * pText) {
GUI_RECT CurrentRect;
int yDistDiv3;
Rect.x0 += BORDER;
Rect.y0 += BORDER;
Rect.x1 -= BORDER;
Rect.y1 -= BORDER;
yDistDiv3 = (Rect.y1 - Rect.y0) / 3;
CurrentRect.x0 = Rect.x0;
CurrentRect.y0 = Rect.y0;
CurrentRect.x1 = Rect.x0 + 59;
CurrentRect.y1 = Rect.y0 + 3 * yDistDiv3;
GUI_SetClipRect(&CurrentRect);
//
// Display info text
//
GUI_SetFont(GUI_FONT_13_ASCII);
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRectWrap(pText, &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
//
// Alpha circles
//
GUI_MoveRect(&CurrentRect, 63, 0);
GUI_SetBkColor(GUI_BLACK);
GUI_Clear();
_DrawAlphaCircles((CurrentRect.x0 + CurrentRect.x1) / 2, (CurrentRect.y0 + CurrentRect.y1) / 2, 35, 0, 4);
GUI_SetColor(GUI_WHITE);
GUI_SetFont(pFont);
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
//
// Black to white gradient
//
CurrentRect.y0 = Rect.y0;
CurrentRect.y1 = Rect.y0 + 3 * yDistDiv3;
GUI_MoveRect(&CurrentRect, 63, 0);
GUI_DrawGradientH(CurrentRect.x0, CurrentRect.y0, CurrentRect.x1, CurrentRect.y1, GUI_BLACK, GUI_WHITE);
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_SetColor(GUI_RED);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_SetColor(GUI_GREEN);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_SetColor(GUI_BLUE);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
//
// RGB
//
CurrentRect.y0 = Rect.y0;
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_MoveRect(&CurrentRect, 63, 0);
GUI_SetBkColor(GUI_RED);
GUI_Clear();
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_SetBkColor(GUI_GREEN);
GUI_Clear();
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_SetBkColor(GUI_BLUE);
GUI_Clear();
GUI_SetColor(GUI_WHITE);
CurrentRect.y0 = Rect.y0;
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
//
// RGB gradients
//
CurrentRect.y0 = Rect.y0;
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_MoveRect(&CurrentRect, 63, 0);
GUI_DrawGradientV(CurrentRect.x0, CurrentRect.y0, CurrentRect.x1, CurrentRect.y1, GUI_RED, GUI_BLACK);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DrawGradientV(CurrentRect.x0, CurrentRect.y0, CurrentRect.x1, CurrentRect.y1, GUI_GREEN, GUI_BLACK);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DrawGradientV(CurrentRect.x0, CurrentRect.y0, CurrentRect.x1, CurrentRect.y1, GUI_BLUE, GUI_BLACK);
CurrentRect.y0 = Rect.y0;
CurrentRect.y1 = CurrentRect.y0 + yDistDiv3;
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&CurrentRect, 0, yDistDiv3);
GUI_DispStringInRect("ABC", &CurrentRect, GUI_TA_HCENTER | GUI_TA_VCENTER);
//
// Disable application defined clip rectangle
//
GUI_SetClipRect(NULL);
}
/*********************************************************************
*
* _DrawText
*/
static void _DrawText(char * s, GUI_RECT * pRect) {
GUI_SetFont(GUI_FONT_13_ASCII);
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRectWrap(s, pRect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
GUI_SetTextMode(GUI_TM_TRANS);
}
/*********************************************************************
*
* _DrawSample
*/
static void _DrawSample(GUI_RECT * pRect, int yd) {
GUI_RECT Rect;
Rect = *pRect;
//
// Use application defined clip rectangle
//
GUI_SetClipRect(&Rect);
//
// Move clip rectangle
//
GUI_MoveRect(&Rect, 65, 0);
//
// Draw sample
//
_DrawAlphaCircles((Rect.x0 + Rect.x1) >> 1, (Rect.y0 + Rect.y1) >> 1, 35, 0, 4);
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRectWrap("ABC\nABC\nABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
//
// Move clip rectangle
//
GUI_MoveRect(&Rect, 65, 0);
GUI_DrawGradientH(Rect.x0, Rect.y0, Rect.x1, Rect.y1, GUI_BLACK, GUI_WHITE);
Rect.y1 = Rect.y0 + yd;
GUI_SetColor(GUI_RED);
GUI_DispStringInRect("ABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&Rect, 0, yd);
GUI_SetColor(GUI_GREEN);
GUI_DispStringInRect("ABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&Rect, 0, yd);
GUI_SetColor(GUI_BLUE);
GUI_DispStringInRect("ABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER);
GUI_MoveRect(&Rect, 0, -yd * 2);
Rect.y1 = Rect.y0 + yd * 3;
//
// Move clip rectangle
//
GUI_MoveRect(&Rect, 65, 0);
//
// Draw sample
//
Rect.y1 = Rect.y0 + yd;
GUI_SetBkColor(GUI_RED);
GUI_Clear();
GUI_MoveRect(&Rect, 0, yd);
GUI_SetBkColor(GUI_GREEN);
GUI_Clear();
GUI_MoveRect(&Rect, 0, yd);
GUI_SetBkColor(GUI_BLUE);
GUI_Clear();
GUI_MoveRect(&Rect, 0, -yd * 2);
Rect.y1 = Rect.y0 + yd * 3;
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRectWrap("ABC\nABC\nABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
//
// Move clip rectangle
//
GUI_MoveRect(&Rect, 65, 0);
//
// Draw sample
//
Rect.y1 = Rect.y0 + yd;
GUI_DrawGradientV(Rect.x0, Rect.y0, Rect.x1, Rect.y1, GUI_RED, GUI_BLACK);
GUI_MoveRect(&Rect, 0, yd);
GUI_DrawGradientV(Rect.x0, Rect.y0, Rect.x1, Rect.y1, GUI_GREEN, GUI_BLACK);
GUI_MoveRect(&Rect, 0, yd);
GUI_DrawGradientV(Rect.x0, Rect.y0, Rect.x1, Rect.y1, GUI_BLUE, GUI_BLACK);
GUI_MoveRect(&Rect, 0, -yd * 2);
Rect.y1 = Rect.y0 + yd * 3;
GUI_SetColor(GUI_WHITE);
GUI_DispStringInRectWrap("ABC\nABC\nABC", &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD);
//
// Disable application defined clip rectangle
//
GUI_SetClipRect(NULL);
}
