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//========================================================================
//
// CairoOutputDevImage.cc
//
// Copyright 2003 Glyph & Cog, LLC
// Copyright 2004 Red Hat, Inc
//
//========================================================================
#include <config.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <string.h>
#include <math.h>
#include <cairo.h>
#include "goo/gfile.h"
#include "GlobalParams.h"
#include "Error.h"
#include "Object.h"
#include <fofi/FoFiTrueType.h>
#include <splash/SplashBitmap.h>
#include "CairoOutputDevImage.h"
//------------------------------------------------------------------------
// CairoOutputDevImage
//------------------------------------------------------------------------
CairoOutputDevImage::CairoOutputDevImage(void) {
pixels = NULL;
createCairo (NULL);
}
CairoOutputDevImage::~CairoOutputDevImage() {
gfree (pixels);
}
void
CairoOutputDevImage::createCairo(GfxState *state) {
int w, h;
w = state ? (int)(state->getPageWidth() + 0.5) : 1;
h = state ? (int)(state->getPageHeight() + 0.5) : 1;
if (!pixels || w != pixels_w || h != pixels_h) {
if (pixels) {
gfree(pixels);
}
pixels_w = w;
pixels_h = h;
pixels = (unsigned char *)gmalloc (pixels_w * pixels_h * 4);
}
memset (pixels, 0xff, pixels_w * pixels_h * 4);
cairo = cairo_create ();
cairo_set_target_image (cairo, (char *)pixels, CAIRO_FORMAT_ARGB32,
pixels_w, pixels_h,
pixels_w*4);
}
void CairoOutputDevImage::getBitmap(unsigned char **data,
int *width, int *height,
int *rowstride) {
SplashBitmap *bitmap;
int w, h;
unsigned char *src;
unsigned int *dest;
*data = pixels;
*width = pixels_w;
*height = pixels_h;
*rowstride = 4 * pixels_w;
}
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