//==============================================================================
void LowLevelGraphicsPostScriptRenderer::writeClip()
{
if (needToClip)
{
needToClip = false;
out << "doclip ";
int itemsOnLine = 0;
for (RectangleList::Iterator i (stateStack.getLast()->clip); i.next();)
{
if (++itemsOnLine == 6)
{
itemsOnLine = 0;
out << '\n';
}
const Rectangle<int>& r = *i.getRectangle();
out << r.getX() << ' ' << -r.getY() << ' '
<< r.getWidth() << ' ' << -r.getHeight() << " pr ";
}
out << "endclip\n";
}
}
void clearRegionInFrameBuffer (const RectangleList& list)
{
glClearColor (0, 0, 0, 0);
glEnable (GL_SCISSOR_TEST);
const GLuint previousFrameBufferTarget = OpenGLFrameBuffer::getCurrentFrameBufferTarget();
cachedImageFrameBuffer.makeCurrentRenderingTarget();
for (RectangleList::Iterator i (list); i.next();)
{
const Rectangle<int>& r = *i.getRectangle();
glScissor (r.getX(), component.getHeight() - r.getBottom(), r.getWidth(), r.getHeight());
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
glDisable (GL_SCISSOR_TEST);
context.extensions.glBindFramebuffer (GL_FRAMEBUFFER, previousFrameBufferTarget);
JUCE_CHECK_OPENGL_ERROR
}
void LowLevelGraphicsPostScriptRenderer::drawImage (const Image& sourceImage, const AffineTransform& transform)
{
const int w = sourceImage.getWidth();
const int h = sourceImage.getHeight();
writeClip();
out << "gsave ";
writeTransform (transform.translated ((float) stateStack.getLast()->xOffset, (float) stateStack.getLast()->yOffset)
.scaled (1.0f, -1.0f));
RectangleList imageClip;
sourceImage.createSolidAreaMask (imageClip, 0.5f);
out << "newpath ";
int itemsOnLine = 0;
for (RectangleList::Iterator i (imageClip); i.next();)
{
if (++itemsOnLine == 6)
{
out << '\n';
itemsOnLine = 0;
}
const Rectangle<int>& r = *i.getRectangle();
out << r.getX() << ' ' << r.getY() << ' ' << r.getWidth() << ' ' << r.getHeight() << " pr ";
}
out << " clip newpath\n";
out << w << ' ' << h << " scale\n";
out << w << ' ' << h << " 8 [" << w << " 0 0 -" << h << ' ' << (int) 0 << ' ' << h << " ]\n";
writeImage (sourceImage, 0, 0, w, h);
out << "false 3 colorimage grestore\n";
needToClip = true;
}
