{
image_common_t *common = &image->common;
- pixman_region32_init (&common->full_region);
pixman_region32_init (&common->clip_region);
- common->src_clip = &common->full_region;
- common->has_client_clip = FALSE;
+
+ common->have_clip_region = FALSE;
+ common->clip_sources = FALSE;
common->transform = NULL;
common->repeat = PIXMAN_REPEAT_NONE;
common->filter = PIXMAN_FILTER_NEAREST;
common->read_func = NULL;
common->write_func = NULL;
common->classify = NULL;
+ common->client_clip = FALSE;
+ common->destroy_func = NULL;
+ common->destroy_data = NULL;
}
return image;
return image->common.get_scanline_32;
}
-#define WRITE_ACCESS(f) ((image->common.write_func)? f##_accessors : f)
-
-static void
-fbStore(bits_image_t * image, int x, int y, int width, uint32_t *buffer)
-{
- uint32_t *bits;
- int32_t stride;
- storeProc32 store = WRITE_ACCESS(pixman_storeProcForPicture32)(image);
- const pixman_indexed_t * indexed = image->indexed;
-
- bits = image->bits;
- stride = image->rowstride;
- bits += y*stride;
- store((pixman_image_t *)image, bits, buffer, x, width, indexed);
-}
-
-static void
-fbStore64(bits_image_t * image, int x, int y, int width, uint64_t *buffer)
-{
- uint32_t *bits;
- int32_t stride;
- storeProc64 store = WRITE_ACCESS(pixman_storeProcForPicture64)(image);
- const pixman_indexed_t * indexed = image->indexed;
-
- bits = image->bits;
- stride = image->rowstride;
- bits += y*stride;
- store((pixman_image_t *)image, bits, buffer, x, width, indexed);
-}
-
-scanStoreProc
-_pixman_image_get_storer (pixman_image_t *image,
- int wide)
-{
- if (image->common.alpha_map)
- {
- if (wide)
- return (scanStoreProc)WRITE_ACCESS(fbStoreExternalAlpha64);
- else
- return (scanStoreProc)WRITE_ACCESS(fbStoreExternalAlpha);
- }
- else
- {
- if (wide)
- return (scanStoreProc)fbStore64;
- else
- return (scanStoreProc)fbStore;
- }
-}
-
static void
image_property_changed (pixman_image_t *image)
{
-
-
image->common.property_changed (image);
}
if (common->ref_count == 0)
{
+ if (image->common.destroy_func)
+ image->common.destroy_func (image, image->common.destroy_data);
+
pixman_region32_fini (&common->clip_region);
- pixman_region32_fini (&common->full_region);
if (common->transform)
free (common->transform);
return FALSE;
}
+PIXMAN_EXPORT void
+pixman_image_set_destroy_function (pixman_image_t *image,
+ pixman_image_destroy_func_t func,
+ void *data)
+{
+ image->common.destroy_func = func;
+ image->common.destroy_data = data;
+}
+
+
/* Constructors */
void
_pixman_image_reset_clip_region (pixman_image_t *image)
{
- pixman_region32_fini (&image->common.clip_region);
-
- if (image->type == BITS)
- {
- pixman_region32_init_rect (&image->common.clip_region, 0, 0,
- image->bits.width, image->bits.height);
- }
- else
- {
- pixman_region32_init (&image->common.clip_region);
- }
+ image->common.have_clip_region = FALSE;
}
PIXMAN_EXPORT pixman_bool_t
if (region)
{
- result = pixman_region32_copy (&common->clip_region, region);
+ if ((result = pixman_region32_copy (&common->clip_region, region)))
+ image->common.have_clip_region = TRUE;
}
else
{
if (region)
{
- result = pixman_region32_copy_from_region16 (&common->clip_region, region);
+ if ((result = pixman_region32_copy_from_region16 (&common->clip_region, region)))
+ image->common.have_clip_region = TRUE;
}
else
{
return result;
}
-/* Sets whether the clip region includes a clip region set by the client
- */
PIXMAN_EXPORT void
pixman_image_set_has_client_clip (pixman_image_t *image,
pixman_bool_t client_clip)
{
- image->common.has_client_clip = client_clip;
-
- image_property_changed (image);
+ image->common.client_clip = client_clip;
}
PIXMAN_EXPORT pixman_bool_t
PIXMAN_EXPORT void
pixman_image_set_source_clipping (pixman_image_t *image,
- pixman_bool_t source_clipping)
+ pixman_bool_t clip_sources)
{
- image_common_t *common = &image->common;
-
- if (source_clipping)
- common->src_clip = &common->clip_region;
- else
- common->src_clip = &common->full_region;
-
- image_property_changed (image);
+ image->common.clip_sources = clip_sources;
}
/* Unlike all the other property setters, this function does not
common->alpha_map = NULL;
}
- common->alpha_origin.x = x;
- common->alpha_origin.y = y;
+ common->alpha_origin_x = x;
+ common->alpha_origin_y = y;
image_property_changed (image);
}
return 0;
}
-static uint32_t
-color_to_uint32 (const pixman_color_t *color)
-{
- return
- (color->alpha >> 8 << 24) |
- (color->red >> 8 << 16) |
- (color->green & 0xff00) |
- (color->blue >> 8);
-}
-
-static pixman_bool_t
-color_to_pixel (pixman_color_t *color,
- uint32_t *pixel,
- pixman_format_code_t format)
-{
- uint32_t c = color_to_uint32 (color);
-
- if (!(format == PIXMAN_a8r8g8b8 ||
- format == PIXMAN_x8r8g8b8 ||
- format == PIXMAN_a8b8g8r8 ||
- format == PIXMAN_x8b8g8r8 ||
- format == PIXMAN_b8g8r8a8 ||
- format == PIXMAN_b8g8r8x8 ||
- format == PIXMAN_r5g6b5 ||
- format == PIXMAN_b5g6r5 ||
- format == PIXMAN_a8))
- {
- return FALSE;
- }
-
- if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_ABGR)
- {
- c = ((c & 0xff000000) >> 0) |
- ((c & 0x00ff0000) >> 16) |
- ((c & 0x0000ff00) >> 0) |
- ((c & 0x000000ff) << 16);
- }
- if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_BGRA)
- {
- c = ((c & 0xff000000) >> 24) |
- ((c & 0x00ff0000) >> 8) |
- ((c & 0x0000ff00) << 8) |
- ((c & 0x000000ff) << 24);
- }
-
- if (format == PIXMAN_a8)
- c = c >> 24;
- else if (format == PIXMAN_r5g6b5 ||
- format == PIXMAN_b5g6r5)
- c = cvt8888to0565 (c);
-
-#if 0
- printf ("color: %x %x %x %x\n", color->alpha, color->red, color->green, color->blue);
- printf ("pixel: %x\n", c);
-#endif
-
- *pixel = c;
- return TRUE;
-}
-
-PIXMAN_EXPORT pixman_bool_t
-pixman_image_fill_rectangles (pixman_op_t op,
- pixman_image_t *dest,
- pixman_color_t *color,
- int n_rects,
- const pixman_rectangle16_t *rects)
-{
- pixman_image_t *solid;
- pixman_color_t c;
- int i;
-
- if (color->alpha == 0xffff)
- {
- if (op == PIXMAN_OP_OVER)
- op = PIXMAN_OP_SRC;
- }
-
- if (op == PIXMAN_OP_CLEAR)
- {
- c.red = 0;
- c.green = 0;
- c.blue = 0;
- c.alpha = 0;
-
- color = &c;
-
- op = PIXMAN_OP_SRC;
- }
-
- if (op == PIXMAN_OP_SRC)
- {
- uint32_t pixel;
-
- if (color_to_pixel (color, &pixel, dest->bits.format))
- {
- for (i = 0; i < n_rects; ++i)
- {
- pixman_region32_t fill_region;
- int n_boxes, j;
- pixman_box32_t *boxes;
-
- pixman_region32_init_rect (&fill_region, rects[i].x, rects[i].y, rects[i].width, rects[i].height);
- if (!pixman_region32_intersect (&fill_region,
- &fill_region,
- &dest->common.clip_region))
- return FALSE;
-
-
- boxes = pixman_region32_rectangles (&fill_region, &n_boxes);
- for (j = 0; j < n_boxes; ++j)
- {
- const pixman_box32_t *box = &(boxes[j]);
- pixman_fill (dest->bits.bits, dest->bits.rowstride, PIXMAN_FORMAT_BPP (dest->bits.format),
- box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1,
- pixel);
- }
-
- pixman_region32_fini (&fill_region);
- }
- return TRUE;
- }
- }
-
- solid = pixman_image_create_solid_fill (color);
- if (!solid)
- return FALSE;
-
- for (i = 0; i < n_rects; ++i)
- {
- const pixman_rectangle16_t *rect = &(rects[i]);
-
- pixman_image_composite (op, solid, NULL, dest,
- 0, 0, 0, 0,
- rect->x, rect->y,
- rect->width, rect->height);
- }
-
- pixman_image_unref (solid);
-
- return TRUE;
-}
-
pixman_bool_t
-pixman_image_can_get_solid (pixman_image_t *image)
+_pixman_image_is_solid (pixman_image_t *image)
{
if (image->type == SOLID)
return TRUE;
return FALSE;
}
- if (image->common.repeat != PIXMAN_REPEAT_NORMAL)
+ if (image->common.repeat == PIXMAN_REPEAT_NONE)
return FALSE;
- switch (image->bits.format)
+ return TRUE;
+}
+
+uint32_t
+_pixman_image_get_solid (pixman_image_t *image, pixman_format_code_t format)
+{
+ uint32_t result;
+
+ _pixman_image_get_scanline_32 (image, 0, 0, 1, &result, NULL, 0);
+
+ /* If necessary, convert RGB <--> BGR. */
+ if (PIXMAN_FORMAT_TYPE (format) != PIXMAN_TYPE_ARGB)
{
- case PIXMAN_a8r8g8b8:
- case PIXMAN_x8r8g8b8:
- case PIXMAN_a8b8g8r8:
- case PIXMAN_x8b8g8r8:
- case PIXMAN_b8g8r8a8:
- case PIXMAN_b8g8r8x8:
- case PIXMAN_r8g8b8:
- case PIXMAN_b8g8r8:
- case PIXMAN_r5g6b5:
- case PIXMAN_b5g6r5:
- return TRUE;
- default:
- return FALSE;
- }
+ result = (((result & 0xff000000) >> 0) |
+ ((result & 0x00ff0000) >> 16) |
+ ((result & 0x0000ff00) >> 0) |
+ ((result & 0x000000ff) << 16));
+ }
+
+ return result;
}
pixman_bool_t
-pixman_image_is_opaque(pixman_image_t *image)
+_pixman_image_is_opaque (pixman_image_t *image)
{
- int i = 0;
- int gradientNumberOfColors = 0;
+ int i;
- if(image->common.alpha_map)
+ if (image->common.alpha_map)
return FALSE;
- switch(image->type)
+ switch (image->type)
{
case BITS:
- if(PIXMAN_FORMAT_A(image->bits.format))
+ if (image->common.repeat == PIXMAN_REPEAT_NONE)
+ return FALSE;
+
+ if (PIXMAN_FORMAT_A (image->bits.format))
return FALSE;
break;
case LINEAR:
- case CONICAL:
case RADIAL:
- gradientNumberOfColors = image->gradient.n_stops;
- i=0;
- while(i<gradientNumberOfColors)
- {
- if(image->gradient.stops[i].color.alpha != 0xffff)
+ if (image->common.repeat == PIXMAN_REPEAT_NONE)
+ return FALSE;
+
+ for (i = 0; i < image->gradient.n_stops; ++i)
+ {
+ if (image->gradient.stops[i].color.alpha != 0xffff)
return FALSE;
- i++;
}
break;
+ case CONICAL:
+ /* Conical gradients always have a transparent border */
+ return FALSE;
+ break;
+
case SOLID:
- if(Alpha(image->solid.color) != 0xff)
+ if (Alpha (image->solid.color) != 0xff)
return FALSE;
break;
}
- /* Convolution filters can introduce translucency if the sum of the weights
- is lower than 1. */
+ /* Convolution filters can introduce translucency if the sum of the
+ * weights is lower than 1.
+ */
if (image->common.filter == PIXMAN_FILTER_CONVOLUTION)
return FALSE;
- if (image->common.repeat == PIXMAN_REPEAT_NONE)
- {
- if (image->common.filter != PIXMAN_FILTER_NEAREST)
- return FALSE;
-
- if (image->common.transform)
- return FALSE;
-
- /* Gradients do not necessarily cover the entire compositing area */
- if (image->type == LINEAR || image->type == CONICAL || image->type == RADIAL)
- return FALSE;
- }
-
return TRUE;
}