From 8975aec496710bb9e35a4a1cb635ee0d4eaa60cc Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Sun, 3 Apr 2011 15:17:00 +0200
Subject: xps: Use fz_pixmap directly instead of wrapping it in xps_image.

---
 xps/xps_png.c | 32 +++++++++++++-------------------
 1 file changed, 13 insertions(+), 19 deletions(-)

(limited to 'xps/xps_png.c')

diff --git a/xps/xps_png.c b/xps/xps_png.c
index f59be56d..829bde90 100644
--- a/xps/xps_png.c
+++ b/xps/xps_png.c
@@ -489,6 +489,9 @@ png_expand_palette(struct info *info, fz_pixmap *src)
 	unsigned char *dp = dst->samples;
 	int x, y;
 
+	dst->xres = src->xres;
+	dst->yres = src->yres;
+
 	for (y = 0; y < info->height; y++)
 	{
 		for (x = 0; x < info->width; x++)
@@ -531,11 +534,10 @@ png_mask_transparency(struct info *info, fz_pixmap *dst)
 }
 
 int
-xps_decode_png(xps_image **imagep, xps_context *ctx, byte *p, int total)
+xps_decode_png(fz_pixmap **imagep, byte *p, int total)
 {
-	fz_pixmap *pixmap;
+	fz_pixmap *image;
 	fz_colorspace *colorspace;
-	xps_image *image;
 	struct info png;
 	int code;
 	int stride;
@@ -551,30 +553,22 @@ xps_decode_png(xps_image **imagep, xps_context *ctx, byte *p, int total)
 
 	stride = (png.width * png.n * png.depth + 7) / 8;
 
-	pixmap = fz_newpixmap(colorspace, 0, 0, png.width, png.height);
-	fz_unpacktile(pixmap, png.samples, png.n, png.depth, stride, png.indexed);
+	image = fz_newpixmap(colorspace, 0, 0, png.width, png.height);
+	image->xres = png.xres;
+	image->yres = png.yres;
+
+	fz_unpacktile(image, png.samples, png.n, png.depth, stride, png.indexed);
 
 	if (png.indexed)
-	{
-		pixmap = png_expand_palette(&png, pixmap);
-	}
+		image = png_expand_palette(&png, image);
 	else if (png.transparency)
-	{
-		png_mask_transparency(&png, pixmap);
-	}
+		png_mask_transparency(&png, image);
 
 	if (png.transparency || png.n == 2 || png.n == 4)
-	{
-		fz_premultiplypixmap(pixmap);
-	}
+		fz_premultiplypixmap(image);
 
 	fz_free(png.samples);
 
-	image = fz_malloc(sizeof(xps_image));
-	image->pixmap = pixmap;
-	image->xres = png.xres;
-	image->yres = png.yres;
-
 	*imagep = image;
 	return fz_okay;
 }
-- 
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