qglpixelbuffer.cpp File Reference

#include <QtCore/qglobal.h>
#include <private/qpaintengineex_opengl2_p.h>
#include <qglpixelbuffer.h>
#include <private/qglpixelbuffer_p.h>
#include <private/qfont_p.h>
#include <qimage.h>
#include <private/qpaintengine_opengl_p.h>

Go to the source code of this file.

Functions
void	qgl_cleanup_glyph_cache (QGLContext *)
QImage	qt_gl_read_framebuffer (const QSize &, bool, bool)

Function Documentation

qgl_cleanup_glyph_cache()

void qgl_cleanup_glyph_cache

(

QGLContext *

)

Definition at line 4917 of file qpaintengine_opengl.cpp.

Referenced by QGLPixelBuffer::~QGLPixelBuffer().

{
    qt_glyph_cache()->cleanupContext(ctx);
}

qt_gl_read_framebuffer()

QImage qt_gl_read_framebuffer	(	const QSize &	,
		bool	,
		bool
	)

Definition at line 1860 of file qgl.cpp.

Referenced by QGLPixelBuffer::toImage().

{
    QImage img(size, (alpha_format && include_alpha) ? QImage::Format_ARGB32_Premultiplied
                                                     : QImage::Format_RGB32);
    int w = size.width();
    int h = size.height();
    glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
    convertFromGLImage(img, w, h, alpha_format, include_alpha);
    return img;
}