void display(float interval)
{
VGfloat cc[] = {0,0,0,1};
vgSetfv(VG_CLEAR_COLOR, 4, cc);
vgClear(0,0,testWidth(),testHeight());
vgSeti(VG_MATRIX_MODE, VG_MATRIX_FILL_PAINT_TO_USER);
vgLoadIdentity();
vgTranslate(tx, ty);
vgRotate(ang);
vgScale(sx, sy);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadIdentity();
vgSetPaint(radialFill, VG_FILL_PATH);
vgDrawPath(p, VG_FILL_PATH);
vgTranslate(tx, ty);
vgRotate(ang);
vgScale(sx, sy);
vgSetPaint(blackFill, VG_FILL_PATH | VG_STROKE_PATH);
vgDrawPath(radius, VG_STROKE_PATH);
vgDrawPath(center, VG_STROKE_PATH);
vgDrawPath(focus, VG_FILL_PATH);
}
void display(float interval)
{
VGfloat cc[] = {0,0,0,1};
vgSetfv(VG_CLEAR_COLOR, 4, cc);
vgClear(0,0,testWidth(),testHeight());
vgSeti(VG_MATRIX_MODE, VG_MATRIX_FILL_PAINT_TO_USER);
vgLoadIdentity();
vgTranslate(tx, ty);
vgScale(sx, sy);
vgRotate(a);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadIdentity();
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_MULTIPLY);
vgLoadIdentity();
vgSetPaint(patternFill, VG_FILL_PATH);
/*vgDrawPath(p, VG_FILL_PATH);*/
vgDrawImage(backImage);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadIdentity();
vgTranslate(tx, ty);
vgScale(sx, sy);
vgRotate(a);
vgSetPaint(blackFill, VG_FILL_PATH | VG_STROKE_PATH);
vgDrawPath(org, VG_FILL_PATH);
}
static void vg_draw_message(vg_t *vg, const char *msg)
{
settings_t *settings = config_get_ptr();
if (!vg->mLastMsg || strcmp(vg->mLastMsg, msg))
vg_render_message(vg, msg);
vgSeti(VG_SCISSORING, VG_FALSE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_STENCIL);
VGfloat origins[] = {
vg->mScreenWidth * settings->video.msg_pos_x - 2.0f,
vg->mScreenHeight * settings->video.msg_pos_y - 2.0f,
};
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(vg->mPaintBg, VG_FILL_PATH);
vgDrawGlyphs(vg->mFont, vg->mMsgLength, vg->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
origins[0] += 2.0f;
origins[1] += 2.0f;
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(vg->mPaintFg, VG_FILL_PATH);
vgDrawGlyphs(vg->mFont, vg->mMsgLength, vg->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
vgSeti(VG_SCISSORING, VG_TRUE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL);
}
void CNVGCSIcon::ConstructL(const TDesC8& aBuf)
{
iNVGIconData = CNVGIconData::NewL(aBuf.Length());
iOpenVGHandles = COpenVGHandleStore::NewL();
if (iPath == VG_INVALID_HANDLE)
{
iPath = vgCreatePath(VG_PATH_FORMAT_STANDARD,
VG_PATH_DATATYPE_S_32, 1.0f/65536.0f, 0.0f, 0, 0,
VG_PATH_CAPABILITY_APPEND_TO);
iOpenVGHandles->AddPathDHL(iPath);
}
if (iFillPaint == VG_INVALID_HANDLE)
{
iFillPaint = vgCreatePaint();
iOpenVGHandles->AddPaintDHL(iFillPaint);
}
vgSetPaint(iFillPaint, VG_FILL_PATH);
if (iStrokePaint == VG_INVALID_HANDLE)
{
iStrokePaint = vgCreatePaint();
iOpenVGHandles->AddPaintDHL(iStrokePaint);
}
vgSetPaint(iStrokePaint, VG_STROKE_PATH);
}
void loadTiger()
{
int i;
VGPath temp;
temp = testCreatePath();
tigerPaths = (VGPath*)malloc(pathCount * sizeof(VGPath));
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgTranslate(-100,100);
vgScale(1,-1);
for (i=0; i<pathCount; ++i) {
vgClearPath(temp, VG_PATH_CAPABILITY_ALL);
vgAppendPathData(temp, commandCounts[i],
commandArrays[i], dataArrays[i]);
tigerPaths[i] = testCreatePath();
vgTransformPath(tigerPaths[i], temp);
}
tigerStroke = vgCreatePaint();
tigerFill = vgCreatePaint();
vgSetPaint(tigerStroke, VG_STROKE_PATH);
vgSetPaint(tigerFill, VG_FILL_PATH);
vgLoadIdentity();
vgDestroyPath(temp);
}
static void rpi_draw_message(rpi_t *rpi, const char *msg)
{
if (!rpi->mLastMsg || strcmp(rpi->mLastMsg, msg))
rpi_render_message(rpi, msg);
vgSeti(VG_SCISSORING, VG_FALSE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_STENCIL);
VGfloat origins[] = {
rpi->mScreenWidth * g_settings.video.msg_pos_x - 2.0f,
rpi->mScreenHeight * g_settings.video.msg_pos_y - 2.0f,
};
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintBg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
origins[0] += 2.0f;
origins[1] += 2.0f;
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintFg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
vgSeti(VG_SCISSORING, VG_TRUE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL);
}
CNVGCSIcon::~CNVGCSIcon()
{
vgSetPaint(VG_INVALID_HANDLE, VG_FILL_PATH);
vgSetPaint(VG_INVALID_HANDLE, VG_STROKE_PATH);
delete iNVGIconData;
delete iOpenVGHandles;
}
/*******************************************************************************
* Function Name : RenderScene
* Returns : true if no error occured
* Description : Main rendering loop function of the program. The shell will
* call this function every frame.
*******************************************************************************/
bool OVGMaskLayer::RenderScene()
{
//Clear the screen with the current clear colour
vgClear(0, 0, m_ui32ScreenWidth, m_ui32ScreenHeight);
// Set the paint and draw the path
vgSetPaint(m_avgColourPaint[1], VG_FILL_PATH);
vgDrawPath(m_avgPath[0], VG_STROKE_PATH | VG_FILL_PATH);
//Enable masking
vgSeti(VG_MASKING, VG_TRUE);
// Set paint
vgSetPaint(m_avgColourPaint[2], VG_FILL_PATH);
/*
Modify the drawing surface's mask layer by loading it with the values from our first mask layer.
See OVGMasking for more details on vgMask.
*/
vgMask(m_vgMaskLayer[0], VG_SET_MASK, 0, 0, m_ui32ScreenWidth, m_ui32ScreenHeight);
// Draw our path
vgDrawPath(m_avgPath[1], VG_STROKE_PATH | VG_FILL_PATH);
// Load the second mask layer into the mask
vgMask(m_vgMaskLayer[1], VG_SET_MASK, 0, 0, m_ui32ScreenWidth, m_ui32ScreenHeight);
// Draw our path
vgDrawPath(m_avgPath[2], VG_STROKE_PATH | VG_FILL_PATH);
// Change paint for the triangle
vgSetPaint(m_avgColourPaint[0], VG_FILL_PATH);
// Merge our first mask layer into the mask (that currently contains the data from our second layer)
vgMask(m_vgMaskLayer[0], VG_INTERSECT_MASK, 0, 0, m_ui32ScreenWidth, m_ui32ScreenHeight);
// Draw our path
vgDrawPath(m_avgPath[3], VG_STROKE_PATH | VG_FILL_PATH);
// Disable masking
vgSeti(VG_MASKING, VG_FALSE);
// Draw title and logo
m_PrintVG.DisplayDefaultTitle("MaskLayer", "", ePVRTPrint3DSDKLogo);
return true;
}
// setfill sets the fill color
void setfill(VGfloat color[4]) {
VGPaint fillPaint = vgCreatePaint();
vgSetParameteri(fillPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(fillPaint, VG_PAINT_COLOR, 4, color);
vgSetPaint(fillPaint, VG_FILL_PATH);
vgDestroyPaint(fillPaint);
}
void SubtitleRenderer::
draw_text(VGFont font, VGFont italic_font,
const std::vector<SubtitleRenderer::InternalChar>& text,
int x, int y,
unsigned int lightness) {
VGPaint paint = vgCreatePaint();
assert(paint);
vgSetColor(paint, (lightness<<8) | (lightness<<16) | (lightness<<24) | 0xFF);
assert(!vgGetError());
vgSetPaint(paint, VG_FILL_PATH);
assert(!vgGetError());
vgDestroyPaint(paint);
assert(!vgGetError());
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_MULTIPLY);
assert(!vgGetError());
VGfloat pos[] = {static_cast<VGfloat>(x), static_cast<VGfloat>(y)};
vgSetfv(VG_GLYPH_ORIGIN, 2, pos);
assert(!vgGetError());
for (auto c = text.begin(); c != text.end(); ++c) {
vgDrawGlyph(c->italic ? italic_font : font,
c->codepoint,
VG_FILL_PATH,
VG_FALSE);
assert(!vgGetError());
}
}
void render() {
vgSetPaint(paint_, VG_FILL_PATH);
assert(!vgGetError());
vgDrawPath(path_, VG_FILL_PATH);
assert(!vgGetError());
}
static void draw_point(VGfloat x, VGfloat y)
{
static const VGubyte cmds[] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS,
VG_LINE_TO_ABS, VG_CLOSE_PATH};
const VGfloat coords[] = { x - 2, y - 2,
x + 2, y - 2,
x + 2, y + 2,
x - 2, y + 2};
VGPath path;
VGPaint fill;
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
VG_PATH_CAPABILITY_ALL);
vgAppendPathData(path, 5, cmds, coords);
fill = vgCreatePaint();
vgSetParameterfv(fill, VG_PAINT_COLOR, 4, black_color);
vgSetPaint(fill, VG_FILL_PATH);
vgDrawPath(path, VG_FILL_PATH);
vgDestroyPath(path);
vgDestroyPaint(fill);
}
// setstroke sets the stroke color
void setstroke(VGfloat color[4]) {
VGPaint strokePaint = vgCreatePaint();
vgSetParameteri(strokePaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(strokePaint, VG_PAINT_COLOR, 4, color);
vgSetPaint(strokePaint, VG_STROKE_PATH);
vgDestroyPaint(strokePaint);
}
// setstops sets color stops for gradients
void setstop(VGPaint paint, VGfloat * stops, int n) {
VGboolean multmode = VG_FALSE;
VGColorRampSpreadMode spreadmode = VG_COLOR_RAMP_SPREAD_REPEAT;
vgSetParameteri(paint, VG_PAINT_COLOR_RAMP_SPREAD_MODE, spreadmode);
vgSetParameteri(paint, VG_PAINT_COLOR_RAMP_PREMULTIPLIED, multmode);
vgSetParameterfv(paint, VG_PAINT_COLOR_RAMP_STOPS, 5 * n, stops);
vgSetPaint(paint, VG_FILL_PATH);
}
void CTSmallWindowOpenVG::RenderL()
{
CTWindow::RenderL();
// Make sure that this egl status is active
eglMakeCurrent(iDisplay, iSurface, iSurface, iContextVG);
VGfloat clearColor[4] = {0.1f, 0.2f, 0.4f, 1.f};
VGfloat scaleFactor = Size().iWidth/200.f;
if (Size().iHeight/200.f < scaleFactor)
{
scaleFactor = Size().iHeight/200.f;
}
iCurrentRotation = iTime;
if (iCurrentRotation >= 360.f)
{
iCurrentRotation -= 360.f;
}
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
vgClear(0, 0, Size().iWidth, Size().iHeight);
vgLoadIdentity();
vgTranslate((float)Size().iHeight / 2, (float)Size().iHeight / 2);
vgScale(scaleFactor, scaleFactor);
vgRotate(iCurrentRotation);
vgTranslate(-50.f, -50.f);
vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
vgSeti(VG_FILL_RULE, VG_EVEN_ODD);
vgSetPaint(iFillPaint, VG_FILL_PATH);
vgSetf(VG_STROKE_LINE_WIDTH, 10.f);
vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_ROUND);
vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
vgSetf(VG_STROKE_MITER_LIMIT, 0.f);
vgSetPaint(iStrokePaint, VG_STROKE_PATH);
vgDrawPath(iPath, VG_FILL_PATH | VG_STROKE_PATH);
iTime++;
eglSwapBuffers(iDisplay, iSurface);
}
static void setVGSolidColor(VGPaintMode paintMode, const Color& color)
{
VGPaint paint = vgCreatePaint();
vgSetParameteri(paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetColor(paint, colorToVGColor(color));
vgSetPaint(paint, paintMode);
vgDestroyPaint(paint);
ASSERT_VG_NO_ERROR();
}
// C function:: void vgSetPaint(VGPaint paint, VGbitfield paintModes);
JNIEXPORT jint JNICALL
Java_com_example_startvg_VG11_vgSetPaint(
JNIEnv * env, jobject obj,
long paint, int paintModes){
vgSetPaint(
(VGPaint) paint,
(VGbitfield) paintModes
);
}
void OpenVG_SVGHandler::draw_recursive( group_t& group ) {
// push the group matrix onto the stack
pushTransform( group.transform );
vgLoadMatrix( topTransform().m );
for ( list<path_object_t>::iterator it = group.path_objects.begin(); it != group.path_objects.end(); it++ ) {
path_object_t& po = *it;
uint32_t draw_params = 0;
if ( po.fill ) {
vgSetPaint( po.fill, VG_FILL_PATH );
draw_params |= VG_FILL_PATH;
}
if ( po.stroke ) {
vgSetPaint( po.stroke, VG_STROKE_PATH );
vgSetf( VG_STROKE_LINE_WIDTH, po.stroke_width );
draw_params |= VG_STROKE_PATH;
}
if( draw_params == 0 ) { // if no stroke or fill use the default black fill
vgSetPaint( _blackBackFill, VG_FILL_PATH );
draw_params |= VG_FILL_PATH;
}
// set the fill rule
vgSeti( VG_FILL_RULE, po.fill_rule );
// trasnform
pushTransform( po.transform );
vgLoadMatrix( topTransform().m );
vgDrawPath( po.path, draw_params );
popTransform();
vgLoadMatrix( topTransform().m );
}
for ( list<group_t>::iterator it = group.children.begin(); it != group.children.end(); it++ ) {
draw_recursive( *it );
}
popTransform();
vgLoadMatrix( topTransform().m );
}
static void
draw(void)
{
VGint WINDSIZEX = window_width();
VGint WINDSIZEY = window_height();
VGPaint fill;
VGPath box;
VGfloat color[4] = {1.f, 0.f, 0.f, 1.f};
VGfloat bgCol[4] = {0.7f, 0.7f, 0.7f, 1.0f};
VGfloat transCol[4] = {0.f, 0.f, 0.f, 0.f};
VGImage image = vgCreateImage(VG_sRGBA_8888, img_width, img_height,
VG_IMAGE_QUALITY_NONANTIALIASED);
/* Background clear */
fill = vgCreatePaint();
vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
vgSetPaint(fill, VG_FILL_PATH);
box = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
/* Rectangle to cover completely 16x16 pixel area. */
RectToPath(box, 0, 0, 64, 64);
vgSetfv(VG_CLEAR_COLOR, 4, transCol);
vgClearImage(image, 0, 0, img_width, img_height);
vgSetfv(VG_CLEAR_COLOR, 4, color);
vgClearImage(image, 10, 10, 12, 12);
//vgImageSubData(image, pukki_64x64_data, pukki_64x64_stride,
// VG_sRGBA_8888, 0, 0, 32, 32);
vgSeti(VG_MASKING, VG_TRUE);
vgLoadIdentity();
vgSetfv(VG_CLEAR_COLOR, 4, bgCol);
vgClear(0, 0, WINDSIZEX, WINDSIZEY);
vgMask(image, VG_FILL_MASK, 0, 0, window_width(), window_height());
vgMask(image, VG_SET_MASK, x_pos, y_pos, 100, 100);
vgDrawPath(box, VG_FILL_PATH);
//vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
//vgTranslate(-10, -10);
//vgDrawImage(image);
vgDestroyPaint(fill);
vgDestroyPath(box);
}
static void update_display(setting_render_internal_t* renderer)
{
// Render it out
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadIdentity();
vgSetfv(VG_CLEAR_COLOR, 4, renderer->definition.background_colour);
vgClear(renderer->definition.x, renderer->definition.y,
renderer->definition.width, renderer->definition.height);
vgSetiv(VG_SCISSOR_RECTS, 4, &renderer->definition.x);
vgSeti(VG_SCISSORING, VG_TRUE);
vgTranslate(renderer->definition.x, renderer->definition.y);
vgSeti(VG_RENDERING_QUALITY, renderer->definition.text_quality);
vgSetPaint(renderer->state.text_paint, VG_FILL_PATH);
gfx_render_text(renderer->definition.text_x_offset, renderer->definition.text_y_offset, renderer->definition.text, &gfx_font_sans, renderer->definition.text_size);
VGfloat text_width = gfx_text_width(renderer->definition.text, &gfx_font_sans, renderer->definition.text_size);
const size_t buffer_size = 512;
char setting_text_buffer[buffer_size];
setting_t* setting = renderer->definition.setting;
switch(setting->type)
{
case SETTING_TYPE_INT:
{
snprintf(setting_text_buffer, buffer_size - 1, renderer->definition.format, setting_get_value_int(setting));
break;
}
case SETTING_TYPE_FLOAT:
{
snprintf(setting_text_buffer, buffer_size - 1, renderer->definition.format, setting_get_value_float(setting));
break;
}
case SETTING_TYPE_ENUM:
{
snprintf(setting_text_buffer, buffer_size - 1, renderer->definition.format, setting_get_value_enum(setting));
break;
}
default:
snprintf(setting_text_buffer, buffer_size - 1, "ILLEGAL SETTING TYPE: %d", (int)setting->type);
break;
}
setting_text_buffer[buffer_size - 1] = 0;
gfx_render_text(text_width + 2 + renderer->definition.text_x_offset, renderer->definition.text_y_offset,
setting_text_buffer, &gfx_font_sans, renderer->definition.text_size);
vgSeti(VG_SCISSORING, VG_FALSE);
}
void PS_render(PS* ps)
{
int i;
assert(ps);
vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
for(i=0;i<ps->m_numPaths;i++)
{
vgSeti(VG_FILL_RULE, ps->m_paths[i].m_fillRule);
vgSetPaint(ps->m_paths[i].m_fillPaint, VG_FILL_PATH);
if(ps->m_paths[i].m_paintMode & VG_STROKE_PATH)
{
vgSetf(VG_STROKE_LINE_WIDTH, ps->m_paths[i].m_strokeWidth);
vgSeti(VG_STROKE_CAP_STYLE, ps->m_paths[i].m_capStyle);
vgSeti(VG_STROKE_JOIN_STYLE, ps->m_paths[i].m_joinStyle);
vgSetf(VG_STROKE_MITER_LIMIT, ps->m_paths[i].m_miterLimit);
vgSetPaint(ps->m_paths[i].m_strokePaint, VG_STROKE_PATH);
}
vgDrawPath(ps->m_paths[i].m_path, ps->m_paths[i].m_paintMode);
}
assert(vgGetError() == VG_NO_ERROR);
}
static void
draw(void)
{
VGfloat point[2], tangent[2];
int i = 0;
vgClear(0, 0, window_width(), window_height());
vgSetPaint(fill, VG_FILL_PATH);
vgDrawPath(path, VG_FILL_PATH);
draw_marks(path);
vgFlush();
}
/*******************************************************************************
* Function Name : RenderScene
* Returns : true if no error occured
* Description : Main rendering loop function of the program. The shell will
* call this function every frame.
*******************************************************************************/
bool CIntroducingPVRShell::RenderScene()
{
/*
Clear the screen with clear colour. Clear is pixel based, so we need
the dimensions of the screen.
*/
vgClear(0, 0, PVRShellGet(prefWidth), PVRShellGet(prefHeight));
// Set the current fill paint...
vgSetPaint(m_vgFillPaint, VG_FILL_PATH);
// ... and draw a filled triangle
vgDrawPath(m_vgPath, VG_FILL_PATH);
return true;
}
static void
init(void)
{
VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */
VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */
static const VGubyte segments[4] = {VG_MOVE_TO_ABS,
VG_SCCWARC_TO_ABS,
VG_SCCWARC_TO_ABS,
VG_CLOSE_PATH};
VGfloat data[12];
const VGfloat cx = 0, cy=29, width=80, height=40;
const VGfloat hw = width * 0.5f;
const VGfloat hh = height * 0.5f;
data[0] = cx + hw;
data[1] = cy;
data[2] = hw;
data[3] = hh;
data[4] = 0;
data[5] = cx - hw;
data[6] = cy;
data[7] = hw;
data[8] = hh;
data[9] = 0;
data[10] = data[0];
data[11] = cy;
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED);
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL);
if (path == VG_INVALID_HANDLE) {
return;
}
paint = vgCreatePaint();
if (paint == VG_INVALID_HANDLE) {
vgDestroyPath(path);
return;
}
vgAppendPathData(path, 4, segments, data);
vgSetParameterfv(paint, VG_PAINT_COLOR, 4, fillColor);
vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetPaint(paint, VG_FILL_PATH);
}
static void
draw(void)
{
VGPath line;
VGPaint fillPaint;
VGubyte lineCommands[3] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS};
VGfloat lineCoords[] = {-2.0f,-1.0f, 0.0f,0.0f, -1.0f, -2.0f};
VGfloat clearColor[] = {0.0f, 0.0f, 0.0f, 1.0f};/* black color */
VGfloat fillColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */
//VGfloat testRadius = 60.0f;
VGfloat testRadius = 10.0f;
int WINDSIZEX = window_width();
int WINDSIZEY = window_height();
line = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL);
fillPaint = vgCreatePaint();
vgSetf(VG_STROKE_LINE_WIDTH, 1.0f);
//vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_ROUND);
vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
//vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_BEVEL);
vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadIdentity();
vgTranslate(60, 60);
vgScale(testRadius * 2, testRadius * 2);
vgAppendPathData(line, 3, lineCommands, lineCoords);
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
vgSetPaint(fillPaint, VG_STROKE_PATH);
vgSetParameterfv(fillPaint, VG_PAINT_COLOR, 4, fillColor);
vgSetParameteri( fillPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgClear(0, 0, WINDSIZEX, WINDSIZEY);
vgDrawPath(line, VG_STROKE_PATH);
vgDestroyPath(line);
vgDestroyPaint(fillPaint);
}
static void
init(void)
{
static const VGubyte cmds[6] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS,
VG_LINE_TO_ABS, VG_CLOSE_PATH};
static const VGfloat coords[] = { 0, 200,
300, 200,
50, 0,
150, 300,
250, 0};
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
VG_PATH_CAPABILITY_ALL);
vgAppendPathData(path, 6, cmds, coords);
fill = vgCreatePaint();
vgSetParameterfv(fill, VG_PAINT_COLOR, 4, green_color);
vgSetPaint(fill, VG_FILL_PATH);
vgSetfv(VG_CLEAR_COLOR, 4, white_color);
}
/*******************************************************************************
* Function Name : RenderScene
* Returns : true if no error occured
* Description : Main rendering loop function of the program. The shell will
* call this function every frame.
*******************************************************************************/
bool CTransforms::RenderScene()
{
m_ui32AbsTime = PVRShellGetTime();
// Clear the screen with clear color.
vgClear(0, 0, PVRShellGet(prefWidth), PVRShellGet(prefHeight));
// Set fill paint
vgSetPaint(m_vgPaint, VG_FILL_PATH);
unsigned int ui32TimeSinceStart = PVRShellGetTime() - m_ui32StartTime;
// toggle segment type every 3 seconds
int ui32ActiveTransform = (ui32TimeSinceStart % (3000 * 7)) / 3000;
switch(ui32ActiveTransform)
{
case 0: DoTranslate(); break;
case 1: DoScaleCentered(); break;
case 2: DoScaleOrigin(); break;
case 3: DoRotateCentered(); break;
case 4: DoRotateOrigin(); break;
case 5: DoShearCentered(); break;
case 6: DoShearOrigin(); break;
}
// Draw user interface
static char* apszTransforms[] = {
"Translation",
"Scaling (centered on object)",
"Scaling (from origin)",
"Rotate (centered on object)",
"Rotate (around origin)",
"Shear (centered on object)",
"Shear (from origin)",
};
m_PrintVG.DisplayDefaultTitle("Transforms", apszTransforms[ui32ActiveTransform], ePVRTPrint3DLogoIMG);
return true;
}
int main(int argc, char **argv)
{
float rotate, color[4] = {0.0, 0.33, 0.33, 1.0};
VGPath path;
VGPaint paintStroke;
VGubyte pathSegments[] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_CLOSE_PATH};
float pathData[] = {200.0, 300.0, 100.0, 100.0};
float incData[] = { 1.0, 2.0, -2.5, -0.5};
EGLDisplayState *eglState = eglOpenDisplay(0 /* min win dimension */,
8 /* min color component size */,
8 /* min alpha size */,
0 /* min Z depth */,
EGL_OPENVG_BIT /* render type */);
path = vgCreatePath(VG_PATH_FORMAT_STANDARD,
VG_PATH_DATATYPE_F,
1.0, 0.0,
0, 0,
VG_PATH_CAPABILITY_APPEND_TO | VG_PATH_CAPABILITY_MODIFY);
vgAppendPathData(path, 3, pathSegments, pathData);
paintStroke = vgCreatePaint();
vgSetColor(paintStroke, 0x00FF00FF);
vgSetParameteri(paintStroke, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetPaint(paintStroke, VG_STROKE_PATH | VG_FILL_PATH);
vgSetf(VG_STROKE_LINE_WIDTH, 5.0);
vgLoadIdentity();
for (rotate = 0.0; rotate < 1000.0; rotate++) {
color[0] = rotate / 1000.0;
vgSetfv(VG_CLEAR_COLOR, 4, color);
vgClear(0, 0, eglState->win.width, eglState->win.height);
bounce(2, pathData, incData, eglState->win.width, eglState->win.height);
vgModifyPathCoords(path, 0, 3, pathData);
vgDrawPath(path, VG_STROKE_PATH);
eglUpdateDisplay(eglState);
}
eglCloseDisplay(eglState);
}
static void
init(void)
{
static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH};
static const VGfloat sqrCoords[5] = {50.0f, 50.0f, 250.0f, 250.0f, 50.0f};
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
VG_PATH_CAPABILITY_APPEND_TO);
vgAppendPathData(path, 5, sqrCmds, sqrCoords);
fill = vgCreatePaint();
vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
vgSetPaint(fill, VG_FILL_PATH);
vgSetfv(VG_CLEAR_COLOR, 4, white_color);
vgSetf(VG_STROKE_LINE_WIDTH, 10);
vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
vgSetf(VG_STROKE_MITER_LIMIT, 4.0f);
vgSeti(VG_MASKING, VG_TRUE);
vgMask(VG_INVALID_HANDLE, VG_CLEAR_MASK,
25, 25, 100, 100);
}
LRESULT OnPaint(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
VGPaint strokePaint = vgCreatePaint();
vgSetPaint(strokePaint, VG_STROKE_PATH);
VGfloat color[4] = { 1.0f, 0.0f, 0.0f, 1.0f };
vgSetParameterfv(strokePaint, VG_PAINT_COLOR, 4, &color[0]);
VGPath line = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
vguLine(line, 20, 20, 130, 130);
VGPath square = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
vguRect(square, 10.0f, 10.0f, 130.0f, 50.0f);
vgSetf(VG_STROKE_LINE_WIDTH, 7.0f);
vgDrawPath(line, VG_STROKE_PATH);
vgDrawPath(square, VG_STROKE_PATH);
::ValidateRect(hWnd, NULL);
return 0;
}