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texture-cache: use scale factor to load background and borders

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https://bugzilla.gnome.org/show_bug.cgi?id=726907
This commit is contained in:
Cosimo Cecchi 2014-03-22 20:29:23 -07:00
parent a22fdea0e3
commit 9ecf466ce1
3 changed files with 39 additions and 15 deletions
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33
src/st/st-texture-cache.c
View File

@ -246,10 +246,11 @@ rgba_from_clutter (GdkRGBA *rgba,
rgba->alpha = color->alpha / 255.;
}
/* A private structure for keeping width and height. */
/* A private structure for keeping width, height and scale. */
typedef struct {
int width;
int height;
int scale;
} Dimensions;
/* This struct corresponds to a request for an texture.
@ -317,6 +318,7 @@ on_image_size_prepared (GdkPixbufLoader *pixbuf_loader,
Dimensions *available_dimensions = data;
int available_width = available_dimensions->width;
int available_height = available_dimensions->height;
int scale_factor = available_dimensions->scale;
int scaled_width;
int scaled_height;
@ -324,8 +326,8 @@ on_image_size_prepared (GdkPixbufLoader *pixbuf_loader,
&scaled_width, &scaled_height);
gdk_pixbuf_loader_set_size (pixbuf_loader,
scaled_width,
scaled_height);
scaled_width * scale_factor,
scaled_height * scale_factor);
}
static GdkPixbuf *
@ -333,6 +335,7 @@ impl_load_pixbuf_data (const guchar *data,
gsize size,
int available_width,
int available_height,
int scale,
GError **error)
{
GdkPixbufLoader *pixbuf_loader = NULL;
@ -346,6 +349,7 @@ impl_load_pixbuf_data (const guchar *data,
available_dimensions.width = available_width;
available_dimensions.height = available_height;
available_dimensions.scale = scale;
g_signal_connect (pixbuf_loader, "size-prepared",
G_CALLBACK (on_image_size_prepared), &available_dimensions);
@ -379,6 +383,7 @@ impl_load_pixbuf_data (const guchar *data,
/* We know that the image will later be rotated, so we reverse the available dimensions. */
available_dimensions.width = available_height;
available_dimensions.height = available_width;
available_dimensions.scale = scale;
g_signal_connect (pixbuf_loader, "size-prepared",
G_CALLBACK (on_image_size_prepared), &available_dimensions);
@ -466,6 +471,7 @@ static GdkPixbuf *
impl_load_pixbuf_file (const char *uri,
int available_width,
int available_height,
int scale,
GError **error)
{
GdkPixbuf *pixbuf = NULL;
@ -481,6 +487,7 @@ impl_load_pixbuf_file (const char *uri,
{
pixbuf = impl_load_pixbuf_data ((const guchar *) contents, size,
available_width, available_height,
scale,
error);
}
@ -503,7 +510,7 @@ load_pixbuf_thread (GSimpleAsyncResult *result,
g_assert (data != NULL);
g_assert (data->uri != NULL);
pixbuf = impl_load_pixbuf_file (data->uri, data->width, data->height, &error);
pixbuf = impl_load_pixbuf_file (data->uri, data->width, data->height, 1, &error);
if (error != NULL)
{
@ -1328,6 +1335,7 @@ st_texture_cache_load_uri_sync_to_cogl_texture (StTextureCache *cache,
const gchar *uri,
int available_width,
int available_height,
int scale,
GError **error)
{
CoglHandle texdata;
@ -1340,7 +1348,7 @@ st_texture_cache_load_uri_sync_to_cogl_texture (StTextureCache *cache,
if (texdata == NULL)
{
pixbuf = impl_load_pixbuf_file (uri, available_width, available_height, error);
pixbuf = impl_load_pixbuf_file (uri, available_width, available_height, scale, error);
if (!pixbuf)
goto out;
@ -1369,6 +1377,7 @@ st_texture_cache_load_uri_sync_to_cairo_surface (StTextureCache *cache,
const gchar *uri,
int available_width,
int available_height,
int scale,
GError **error)
{
cairo_surface_t *surface;
@ -1381,7 +1390,7 @@ st_texture_cache_load_uri_sync_to_cairo_surface (StTextureCache *cache,
if (surface == NULL)
{
pixbuf = impl_load_pixbuf_file (uri, available_width, available_height, error);
pixbuf = impl_load_pixbuf_file (uri, available_width, available_height, scale, error);
if (!pixbuf)
goto out;
@ -1408,6 +1417,7 @@ out:
* st_texture_cache_load_file_to_cogl_texture:
* @cache: A #StTextureCache
* @file_path: Path to a file in supported image format
* @scale: Scale factor of the display
*
* This function synchronously loads the given file path
* into a COGL texture. On error, a warning is emitted
@ -1417,7 +1427,8 @@ out:
*/
CoglHandle
st_texture_cache_load_file_to_cogl_texture (StTextureCache *cache,
const gchar *file_path)
const gchar *file_path,
gint scale)
{
CoglHandle texture;
GFile *file;
@ -1428,7 +1439,7 @@ st_texture_cache_load_file_to_cogl_texture (StTextureCache *cache,
uri = g_file_get_uri (file);
texture = st_texture_cache_load_uri_sync_to_cogl_texture (cache, ST_TEXTURE_CACHE_POLICY_FOREVER,
uri, -1, -1, &error);
uri, -1, -1, scale, &error);
g_object_unref (file);
g_free (uri);
@ -1445,6 +1456,7 @@ st_texture_cache_load_file_to_cogl_texture (StTextureCache *cache,
* st_texture_cache_load_file_to_cairo_surface:
* @cache: A #StTextureCache
* @file_path: Path to a file in supported image format
* @scale: Scale factor of the display
*
* This function synchronously loads the given file path
* into a cairo surface. On error, a warning is emitted
@ -1454,7 +1466,8 @@ st_texture_cache_load_file_to_cogl_texture (StTextureCache *cache,
*/
cairo_surface_t *
st_texture_cache_load_file_to_cairo_surface (StTextureCache *cache,
const gchar *file_path)
const gchar *file_path,
gint scale)
{
cairo_surface_t *surface;
GFile *file;
@ -1465,7 +1478,7 @@ st_texture_cache_load_file_to_cairo_surface (StTextureCache *cache,
uri = g_file_get_uri (file);
surface = st_texture_cache_load_uri_sync_to_cairo_surface (cache, ST_TEXTURE_CACHE_POLICY_FOREVER,
uri, -1, -1, &error);
uri, -1, -1, scale, &error);
g_object_unref (file);
g_free (uri);

6
src/st/st-texture-cache.h
View File

@ -93,10 +93,12 @@ ClutterActor *st_texture_cache_load_uri_async (StTextureCache *cache,
int available_height);
CoglHandle st_texture_cache_load_file_to_cogl_texture (StTextureCache *cache,
const gchar *file_path);
const gchar *file_path,
gint scale);
cairo_surface_t *st_texture_cache_load_file_to_cairo_surface (StTextureCache *cache,
const gchar *file_path);
const gchar *file_path,
gint scale);
/**
* StTextureCacheLoader: (skip)

15
src/st/st-theme-node-drawing.c
View File

@ -606,12 +606,14 @@ create_cairo_pattern_of_background_image (StThemeNode *node,
gdouble background_image_width, background_image_height;
gdouble x, y;
gdouble scale_w, scale_h;
int scale_factor;
file = st_theme_node_get_background_image (node);
texture_cache = st_texture_cache_get_default ();
surface = st_texture_cache_load_file_to_cairo_surface (texture_cache, file);
g_object_get (node->context, "scale-factor", &scale_factor, NULL);
surface = st_texture_cache_load_file_to_cairo_surface (texture_cache, file, scale_factor);
if (surface == NULL)
return NULL;
@ -1301,8 +1303,12 @@ st_theme_node_load_border_image (StThemeNode *node)
const char *filename;
filename = st_border_image_get_filename (border_image);
int scale_factor;
g_object_get (node->context, "scale-factor", &scale_factor, NULL);
node->border_slices_texture = st_texture_cache_load_file_to_cogl_texture (st_texture_cache_get_default (),
filename);
filename, scale_factor);
if (node->border_slices_texture == COGL_INVALID_HANDLE)
goto out;
@ -1347,9 +1353,12 @@ st_theme_node_load_background_image (StThemeNode *node)
if (background_image == NULL)
goto out;
int scale_factor;
g_object_get (node->context, "scale-factor", &scale_factor, NULL);
background_image_shadow_spec = st_theme_node_get_background_image_shadow (node);
node->background_texture = st_texture_cache_load_file_to_cogl_texture (st_texture_cache_get_default (),
background_image);
background_image, scale_factor);
if (node->background_texture == COGL_INVALID_HANDLE)
goto out;