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Diffstat (limited to 'xorg/X11R7.6/rdp/rdpglyph.c')
-rw-r--r--xorg/X11R7.6/rdp/rdpglyph.c64
1 files changed, 39 insertions, 25 deletions
diff --git a/xorg/X11R7.6/rdp/rdpglyph.c b/xorg/X11R7.6/rdp/rdpglyph.c
index 32811389..3da30737 100644
--- a/xorg/X11R7.6/rdp/rdpglyph.c
+++ b/xorg/X11R7.6/rdp/rdpglyph.c
@@ -92,6 +92,26 @@ set_mono_pixel(char* data, int x, int y, int width, int pixel)
}
}
+/*****************************************************************************/
+static int
+lget_pixel(char* data, int x, int y, int depth, int stride_bytes)
+{
+ int start;
+ int shift;
+
+ if (depth == 1)
+ {
+ start = (y * stride_bytes) + x / 8;
+ shift = x % 8;
+ return (data[start] & (0x01 << shift)) ? 0xff : 0;
+ }
+ else if (depth == 8)
+ {
+ return data[y * stride_bytes + x];
+ }
+ return 0;
+}
+
/******************************************************************************/
static int
glyph_get_data(ScreenPtr pScreen, GlyphPtr glyph, struct rdp_font_char* rfd)
@@ -100,11 +120,11 @@ glyph_get_data(ScreenPtr pScreen, GlyphPtr glyph, struct rdp_font_char* rfd)
int j;
int src_xoff;
int src_yoff;
- int stride_bytes;
+ int src_stride_bytes;
+ int dst_stride_bytes;
int hh;
int ww;
- int ss;
- int depth;
+ int src_depth;
unsigned char pixel;
PicturePtr pPicture;
pixman_image_t *src;
@@ -122,49 +142,43 @@ glyph_get_data(ScreenPtr pScreen, GlyphPtr glyph, struct rdp_font_char* rfd)
return 0;
}
- depth = pixman_image_get_depth(src);
- stride_bytes = pixman_image_get_stride(src);
- ww = pixman_image_get_width(src);
- hh = pixman_image_get_height(src);
- ss = (glyph->info.width + 3) & ~3;
- if ((ww != glyph->info.width) || (hh != glyph->info.height) ||
- (depth != 8) || (stride_bytes != ss))
- {
- LLOGLN(10, ("glyph_get_data: error w %d w %d h %d h %d "
- "stride %d stride %d depth %d", ww,
- glyph->info.width, hh, glyph->info.height,
- stride_bytes, ss, depth));
- free_pixman_pict(pPicture, src);
- return 0;
- }
-
+ src_stride_bytes = pixman_image_get_stride(src);
if (g_do_alpha_glyphs)
{
- rfd->data_bytes = glyph->info.height * stride_bytes;
+ dst_stride_bytes = (glyph->info.width + 3) & ~3;
rfd->bpp = 8;
}
else
{
- rfd->data_bytes = (((glyph->info.height *
- ((glyph->info.width + 7) / 8)) + 3) & ~3);
+ dst_stride_bytes = (((glyph->info.width + 7) / 8) + 3) & ~3;
rfd->bpp = 1;
}
+ src_depth = pixman_image_get_depth(src);
+ ww = pixman_image_get_width(src);
+ hh = pixman_image_get_height(src);
+ if ((ww != glyph->info.width) || (hh != glyph->info.height) ||
+ ((src_depth != 1) && (src_depth != 8)))
+ {
+ LLOGLN(0, ("glyph_get_data: bad glyph"));
+ free_pixman_pict(pPicture, src);
+ return 0;
+ }
+ rfd->data_bytes = glyph->info.height * dst_stride_bytes;
rfd->data = (char*)g_malloc(rfd->data_bytes, 1);
rfd->offset = -glyph->info.x;
rfd->baseline = -glyph->info.y;
rfd->width = glyph->info.width;
rfd->height = glyph->info.height;
-
pi32 = pixman_image_get_data(src);
pi8 = (char*)pi32;
for (j = 0; j < rfd->height; j++)
{
for (i = 0; i < rfd->width; i++)
{
- pixel = pi8[j * stride_bytes + i];
+ pixel = lget_pixel(pi8, i, j, src_depth, src_stride_bytes);
if (g_do_alpha_glyphs)
{
- rfd->data[j * stride_bytes + i] = pixel;
+ rfd->data[j * dst_stride_bytes + i] = pixel;
}
else
{