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pdf: each row of 1-bit image data needs to begin on a byte boundary

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This commit is contained in:
Adrian Johnson 2011-09-05 22:30:15 +09:30
parent 42fecf37dc
commit 3614892d8d
1 changed files with 6 additions and 2 deletions
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8
src/cairo-pdf-surface.c
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@ -1953,7 +1953,6 @@ _cairo_pdf_surface_emit_smask (cairo_pdf_surface_t *surface,
}
i = 0;
bit = 7;
for (y = 0; y < image->height; y++) {
if (image->format == CAIRO_FORMAT_A1) {
pixel8 = (uint8_t *) (image->data + y * image->stride);
@ -1966,6 +1965,7 @@ _cairo_pdf_surface_emit_smask (cairo_pdf_surface_t *surface,
} else {
pixel8 = (uint8_t *) (image->data + y * image->stride);
pixel32 = (uint32_t *) (image->data + y * image->stride);
bit = 7;
for (x = 0; x < image->width; x++) {
if (image->format == CAIRO_FORMAT_ARGB32) {
a = (*pixel32 & 0xff000000) >> 24;
@ -1989,6 +1989,8 @@ _cairo_pdf_surface_emit_smask (cairo_pdf_surface_t *surface,
}
}
}
if (bit != 7)
i++;
}
}
@ -2071,10 +2073,10 @@ _cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
}
i = 0;
bit = 7;
for (y = 0; y < image->height; y++) {
pixel = (uint32_t *) (image->data + y * image->stride);
bit = 7;
for (x = 0; x < image->width; x++, pixel++) {
int r, g, b;
@ -2126,6 +2128,8 @@ _cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
break;
}
}
if (bit != 7)
i++;
}
need_smask = FALSE;