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-rwxr-xr-x[-rw-r--r--]gui/gdk-compat.h310
1 files changed, 155 insertions, 155 deletions
diff --git a/gui/gdk-compat.h b/gui/gdk-compat.h
index 8be02787..d19b311c 100644..100755
--- a/gui/gdk-compat.h
+++ b/gui/gdk-compat.h
@@ -1,155 +1,155 @@
-static cairo_format_t
-compat_gdk_cairo_format_for_content (cairo_content_t content)
-{
- switch (content)
- {
- case CAIRO_CONTENT_COLOR:
- return CAIRO_FORMAT_RGB24;
- case CAIRO_CONTENT_ALPHA:
- return CAIRO_FORMAT_A8;
- case CAIRO_CONTENT_COLOR_ALPHA:
- default:
- return CAIRO_FORMAT_ARGB32;
- }
-}
-
-static cairo_surface_t *
-compat_gdk_cairo_surface_coerce_to_image (cairo_surface_t *surface,
- cairo_content_t content,
- int src_x,
- int src_y,
- int width,
- int height)
-{
- cairo_surface_t *copy;
- cairo_t *cr;
-
- copy = cairo_image_surface_create (compat_gdk_cairo_format_for_content (content),
- width,
- height);
-
- cr = cairo_create (copy);
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- cairo_set_source_surface (cr, surface, -src_x, -src_y);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- return copy;
-}
-
-static void
-compat_convert_alpha (guchar *dest_data,
- int dest_stride,
- guchar *src_data,
- int src_stride,
- int src_x,
- int src_y,
- int width,
- int height)
-{
- int x, y;
-
- src_data += src_stride * src_y + src_x * 4;
-
- for (y = 0; y < height; y++) {
- guint32 *src = (guint32 *) src_data;
-
- for (x = 0; x < width; x++) {
- guint alpha = src[x] >> 24;
-
- if (alpha == 0)
- {
- dest_data[x * 4 + 0] = 0;
- dest_data[x * 4 + 1] = 0;
- dest_data[x * 4 + 2] = 0;
- }
- else
- {
- dest_data[x * 4 + 0] = (((src[x] & 0xff0000) >> 16) * 255 + alpha / 2) / alpha;
- dest_data[x * 4 + 1] = (((src[x] & 0x00ff00) >> 8) * 255 + alpha / 2) / alpha;
- dest_data[x * 4 + 2] = (((src[x] & 0x0000ff) >> 0) * 255 + alpha / 2) / alpha;
- }
- dest_data[x * 4 + 3] = alpha;
- }
-
- src_data += src_stride;
- dest_data += dest_stride;
- }
-}
-
-static void
-compat_convert_no_alpha (guchar *dest_data,
- int dest_stride,
- guchar *src_data,
- int src_stride,
- int src_x,
- int src_y,
- int width,
- int height)
-{
- int x, y;
-
- src_data += src_stride * src_y + src_x * 4;
-
- for (y = 0; y < height; y++) {
- guint32 *src = (guint32 *) src_data;
-
- for (x = 0; x < width; x++) {
- dest_data[x * 3 + 0] = src[x] >> 16;
- dest_data[x * 3 + 1] = src[x] >> 8;
- dest_data[x * 3 + 2] = src[x];
- }
-
- src_data += src_stride;
- dest_data += dest_stride;
- }
-}
-
-GdkPixbuf *
-compat_gdk_pixbuf_get_from_surface (cairo_surface_t *surface,
- gint src_x,
- gint src_y,
- gint width,
- gint height)
-{
- cairo_content_t content;
- GdkPixbuf *dest;
-
- /* General sanity checks */
- g_return_val_if_fail (surface != NULL, NULL);
- g_return_val_if_fail (width > 0 && height > 0, NULL);
-
- content = cairo_surface_get_content (surface) | CAIRO_CONTENT_COLOR;
- dest = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
- !!(content & CAIRO_CONTENT_ALPHA),
- 8,
- width, height);
-
- surface = compat_gdk_cairo_surface_coerce_to_image (surface, content,
- src_x, src_y,
- width, height);
- cairo_surface_flush (surface);
- if (cairo_surface_status (surface) || dest == NULL)
- {
- cairo_surface_destroy (surface);
- return NULL;
- }
-
- if (gdk_pixbuf_get_has_alpha (dest))
- compat_convert_alpha (gdk_pixbuf_get_pixels (dest),
- gdk_pixbuf_get_rowstride (dest),
- cairo_image_surface_get_data (surface),
- cairo_image_surface_get_stride (surface),
- 0, 0,
- width, height);
- else
- compat_convert_no_alpha (gdk_pixbuf_get_pixels (dest),
- gdk_pixbuf_get_rowstride (dest),
- cairo_image_surface_get_data (surface),
- cairo_image_surface_get_stride (surface),
- 0, 0,
- width, height);
-
- cairo_surface_destroy (surface);
- return dest;
-}
+static cairo_format_t
+compat_gdk_cairo_format_for_content (cairo_content_t content)
+{
+ switch (content)
+ {
+ case CAIRO_CONTENT_COLOR:
+ return CAIRO_FORMAT_RGB24;
+ case CAIRO_CONTENT_ALPHA:
+ return CAIRO_FORMAT_A8;
+ case CAIRO_CONTENT_COLOR_ALPHA:
+ default:
+ return CAIRO_FORMAT_ARGB32;
+ }
+}
+
+static cairo_surface_t *
+compat_gdk_cairo_surface_coerce_to_image (cairo_surface_t *surface,
+ cairo_content_t content,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ cairo_surface_t *copy;
+ cairo_t *cr;
+
+ copy = cairo_image_surface_create (compat_gdk_cairo_format_for_content (content),
+ width,
+ height);
+
+ cr = cairo_create (copy);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_surface (cr, surface, -src_x, -src_y);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ return copy;
+}
+
+static void
+compat_convert_alpha (guchar *dest_data,
+ int dest_stride,
+ guchar *src_data,
+ int src_stride,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ int x, y;
+
+ src_data += src_stride * src_y + src_x * 4;
+
+ for (y = 0; y < height; y++) {
+ guint32 *src = (guint32 *) src_data;
+
+ for (x = 0; x < width; x++) {
+ guint alpha = src[x] >> 24;
+
+ if (alpha == 0)
+ {
+ dest_data[x * 4 + 0] = 0;
+ dest_data[x * 4 + 1] = 0;
+ dest_data[x * 4 + 2] = 0;
+ }
+ else
+ {
+ dest_data[x * 4 + 0] = (((src[x] & 0xff0000) >> 16) * 255 + alpha / 2) / alpha;
+ dest_data[x * 4 + 1] = (((src[x] & 0x00ff00) >> 8) * 255 + alpha / 2) / alpha;
+ dest_data[x * 4 + 2] = (((src[x] & 0x0000ff) >> 0) * 255 + alpha / 2) / alpha;
+ }
+ dest_data[x * 4 + 3] = alpha;
+ }
+
+ src_data += src_stride;
+ dest_data += dest_stride;
+ }
+}
+
+static void
+compat_convert_no_alpha (guchar *dest_data,
+ int dest_stride,
+ guchar *src_data,
+ int src_stride,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ int x, y;
+
+ src_data += src_stride * src_y + src_x * 4;
+
+ for (y = 0; y < height; y++) {
+ guint32 *src = (guint32 *) src_data;
+
+ for (x = 0; x < width; x++) {
+ dest_data[x * 3 + 0] = src[x] >> 16;
+ dest_data[x * 3 + 1] = src[x] >> 8;
+ dest_data[x * 3 + 2] = src[x];
+ }
+
+ src_data += src_stride;
+ dest_data += dest_stride;
+ }
+}
+
+GdkPixbuf *
+compat_gdk_pixbuf_get_from_surface (cairo_surface_t *surface,
+ gint src_x,
+ gint src_y,
+ gint width,
+ gint height)
+{
+ cairo_content_t content;
+ GdkPixbuf *dest;
+
+ /* General sanity checks */
+ g_return_val_if_fail (surface != NULL, NULL);
+ g_return_val_if_fail (width > 0 && height > 0, NULL);
+
+ content = cairo_surface_get_content (surface) | CAIRO_CONTENT_COLOR;
+ dest = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+ !!(content & CAIRO_CONTENT_ALPHA),
+ 8,
+ width, height);
+
+ surface = compat_gdk_cairo_surface_coerce_to_image (surface, content,
+ src_x, src_y,
+ width, height);
+ cairo_surface_flush (surface);
+ if (cairo_surface_status (surface) || dest == NULL)
+ {
+ cairo_surface_destroy (surface);
+ return NULL;
+ }
+
+ if (gdk_pixbuf_get_has_alpha (dest))
+ compat_convert_alpha (gdk_pixbuf_get_pixels (dest),
+ gdk_pixbuf_get_rowstride (dest),
+ cairo_image_surface_get_data (surface),
+ cairo_image_surface_get_stride (surface),
+ 0, 0,
+ width, height);
+ else
+ compat_convert_no_alpha (gdk_pixbuf_get_pixels (dest),
+ gdk_pixbuf_get_rowstride (dest),
+ cairo_image_surface_get_data (surface),
+ cairo_image_surface_get_stride (surface),
+ 0, 0,
+ width, height);
+
+ cairo_surface_destroy (surface);
+ return dest;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-21 06:11:03 +0000