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gui/SOURCES/libgxps-0.2.4-GXPSImage.patch

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--- libgxps-0.3.0/libgxps/gxps-brush.c
+++ libgxps-0.3.0/libgxps/gxps-brush.c
@@ -965,7 +965,7 @@ brush_end_element (GMarkupParseContext
g_markup_parse_context_pop (context);
} else if (strcmp (element_name, "ImageBrush") == 0) {
GXPSBrushImage *brush_image;
- GXPSImage *image;
+ cairo_surface_t *image;
GError *err = NULL;
brush_image = g_markup_parse_context_pop (context);
@@ -976,14 +976,20 @@ brush_end_element (GMarkupParseContext
cairo_matrix_t matrix;
gdouble x_scale, y_scale;
cairo_surface_t *clip_surface;
+ double *res_x, *res_y;
- /* viewbox units is 1/96 inch, convert to pixels */
- brush_image->viewbox.x *= image->res_x / 96;
- brush_image->viewbox.y *= image->res_y / 96;
- brush_image->viewbox.width *= image->res_x / 96;
- brush_image->viewbox.height *= image->res_y / 96;
+ res_x = cairo_surface_get_user_data (image, (const cairo_user_data_key_t *) 0x1);
+ res_y = cairo_surface_get_user_data (image, (const cairo_user_data_key_t *) 0x2);
- clip_surface = cairo_surface_create_for_rectangle (image->surface,
+ if (res_x != NULL && res_y != NULL) {
+ /* viewbox units is 1/96 inch, convert to pixels */
+ brush_image->viewbox.x *= *res_x / 96;
+ brush_image->viewbox.y *= *res_y / 96;
+ brush_image->viewbox.width *= *res_x / 96;
+ brush_image->viewbox.height *= *res_y / 96;
+ }
+
+ clip_surface = cairo_surface_create_for_rectangle (image,
brush_image->viewbox.x,
brush_image->viewbox.y,
brush_image->viewbox.width,
--- libgxps-0.3.0/libgxps/gxps-images.c
+++ libgxps-0.3.0/libgxps/gxps-images.c
@@ -88,6 +88,45 @@ multiply_alpha (int alpha, int color)
return ((temp + (temp >> 8)) >> 8);
}
+static void
+image_set_res_x (cairo_surface_t *image,
+ double res_x)
+{
+ double *x;
+
+ x = g_new (double, 1);
+ *x = res_x;
+
+ cairo_surface_set_user_data (image,
+ (const cairo_user_data_key_t *) 0x1,
+ x,
+ (cairo_destroy_func_t) g_free);
+}
+
+static void
+image_set_res_y (cairo_surface_t *image,
+ double res_y)
+{
+ double *y;
+
+ y = g_new (double, 1);
+ *y = res_y;
+
+ cairo_surface_set_user_data (image,
+ (const cairo_user_data_key_t *) 0x2,
+ y,
+ (cairo_destroy_func_t) g_free);
+}
+
+static void
+image_set_res (cairo_surface_t *image,
+ double res_x,
+ double res_y)
+{
+ image_set_res_x (image, res_x);
+ image_set_res_y (image, res_y);
+}
+
/* Premultiplies data and converts RGBA bytes => native endian
* From cairo's cairo-png.c <http://cairographics.org> */
static void
@@ -163,14 +202,14 @@ fill_png_error (GError **error,
/* Adapted from cairo's read_png in cairo-png.c
* http://cairographics.org/ */
-static GXPSImage *
+static cairo_surface_t *
gxps_images_create_from_png (GXPSArchive *zip,
const gchar *image_uri,
GError **error)
{
#ifdef HAVE_LIBPNG
GInputStream *stream;
- GXPSImage *image = NULL;
+ cairo_surface_t *image = NULL;
char *png_err_msg = NULL;
png_struct *png;
png_info *info;
@@ -181,6 +220,7 @@ gxps_images_create_from_png (GXPSArchive
unsigned int i;
cairo_format_t format;
cairo_status_t status;
+ double res_x, res_y;
stream = gxps_archive_open (zip, image_uri);
if (!stream) {
@@ -217,7 +257,7 @@ gxps_images_create_from_png (GXPSArchive
g_free (png_err_msg);
g_object_unref (stream);
png_destroy_read_struct (&png, &info, NULL);
- gxps_image_free (image);
+ cairo_surface_destroy (image);
g_free (row_pointers);
g_free (data);
return NULL;
@@ -295,13 +335,12 @@ gxps_images_create_from_png (GXPSArchive
return NULL;
}
- image = g_slice_new0 (GXPSImage);
- image->res_x = png_get_x_pixels_per_meter (png, info) * METERS_PER_INCH;
- if (image->res_x == 0)
- image->res_x = 96;
- image->res_y = png_get_y_pixels_per_meter (png, info) * METERS_PER_INCH;
- if (image->res_y == 0)
- image->res_y = 96;
+ res_x = png_get_x_pixels_per_meter (png, info) * METERS_PER_INCH;
+ if (res_x == 0)
+ res_x = 96;
+ res_y = png_get_y_pixels_per_meter (png, info) * METERS_PER_INCH;
+ if (res_y == 0)
+ res_y = 96;
data = g_malloc (png_height * stride);
row_pointers = g_new (png_byte *, png_height);
@@ -315,23 +354,25 @@ gxps_images_create_from_png (GXPSArchive
g_object_unref (stream);
g_free (row_pointers);
- image->surface = cairo_image_surface_create_for_data (data, format,
- png_width, png_height,
- stride);
- if (cairo_surface_status (image->surface)) {
+ image = cairo_image_surface_create_for_data (data, format,
+ png_width, png_height,
+ stride);
+ if (cairo_surface_status (image)) {
fill_png_error (error, image_uri, NULL);
- gxps_image_free (image);
+ cairo_surface_destroy (image);
g_free (data);
return NULL;
}
- status = cairo_surface_set_user_data (image->surface,
+ image_set_res (image, res_x, res_y);
+
+ status = cairo_surface_set_user_data (image,
&image_data_cairo_key,
data,
(cairo_destroy_func_t) g_free);
if (status) {
fill_png_error (error, image_uri, NULL);
- gxps_image_free (image);
+ cairo_surface_destroy (image);
g_free (data);
return NULL;
}
@@ -423,7 +463,7 @@ _jpeg_error_exit (j_common_ptr error)
}
#endif /* HAVE_LIBJPEG */
-static GXPSImage *
+static cairo_surface_t *
gxps_images_create_from_jpeg (GXPSArchive *zip,
const gchar *image_uri,
GError **error)
@@ -433,7 +473,7 @@ gxps_images_create_from_jpeg (GXPSArchiv
struct jpeg_error_mgr error_mgr;
struct jpeg_decompress_struct cinfo;
struct _jpeg_src_mgr src;
- GXPSImage *image;
+ cairo_surface_t *image;
guchar *data;
gint stride;
JSAMPARRAY lines;
@@ -484,28 +524,26 @@ gxps_images_create_from_jpeg (GXPSArchiv
cinfo.do_fancy_upsampling = FALSE;
jpeg_start_decompress (&cinfo);
- image = g_slice_new (GXPSImage);
- image->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
- cinfo.output_width,
- cinfo.output_height);
- image->res_x = 96;
- image->res_y = 96;
- if (cairo_surface_status (image->surface)) {
+ image = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
+ cinfo.output_width,
+ cinfo.output_height);
+ image_set_res (image, 96, 96);
+ if (cairo_surface_status (image)) {
g_set_error (error,
GXPS_ERROR,
GXPS_ERROR_IMAGE,
"Error loading JPEG image %s: %s",
image_uri,
- cairo_status_to_string (cairo_surface_status (image->surface)));
+ cairo_status_to_string (cairo_surface_status (image)));
jpeg_destroy_decompress (&cinfo);
- gxps_image_free (image);
+ cairo_surface_destroy (image);
g_object_unref (stream);
return NULL;
}
- data = cairo_image_surface_get_data (image->surface);
- stride = cairo_image_surface_get_stride (image->surface);
+ data = cairo_image_surface_get_data (image);
+ stride = cairo_image_surface_get_stride (image);
jpeg_stride = cinfo.output_width * cinfo.out_color_components;
lines = cinfo.mem->alloc_sarray((j_common_ptr) &cinfo, JPOOL_IMAGE, jpeg_stride, 4);
@@ -535,7 +573,7 @@ gxps_images_create_from_jpeg (GXPSArchiv
GXPS_DEBUG (g_message ("Unsupported jpeg color space %s",
_jpeg_color_space_name (cinfo.out_color_space)));
- gxps_image_free (image);
+ cairo_surface_destroy (image);
jpeg_destroy_decompress (&cinfo);
g_object_unref (stream);
return NULL;
@@ -549,27 +587,25 @@ gxps_images_create_from_jpeg (GXPSArchiv
}
if (cinfo.density_unit == 1) { /* dots/inch */
- image->res_x = cinfo.X_density;
- image->res_y = cinfo.Y_density;
+ image_set_res (image, cinfo.X_density, cinfo.Y_density);
} else if (cinfo.density_unit == 2) { /* dots/cm */
- image->res_x = cinfo.X_density * CENTIMETERS_PER_INCH;
- image->res_y = cinfo.Y_density * CENTIMETERS_PER_INCH;
+ image_set_res (image, cinfo.X_density * CENTIMETERS_PER_INCH, cinfo.Y_density * CENTIMETERS_PER_INCH);
}
jpeg_finish_decompress (&cinfo);
jpeg_destroy_decompress (&cinfo);
g_object_unref (stream);
- cairo_surface_mark_dirty (image->surface);
+ cairo_surface_mark_dirty (image);
- if (cairo_surface_status (image->surface)) {
+ if (cairo_surface_status (image)) {
g_set_error (error,
GXPS_ERROR,
GXPS_ERROR_IMAGE,
"Error loading JPEG image %s: %s",
image_uri,
- cairo_status_to_string (cairo_surface_status (image->surface)));
- gxps_image_free (image);
+ cairo_status_to_string (cairo_surface_status (image)));
+ cairo_surface_destroy (image);
return NULL;
}
@@ -728,7 +764,7 @@ _tiff_unmap_file (thandle_t handle,
}
#endif /* #ifdef HAVE_LIBTIFF */
-static GXPSImage *
+static cairo_surface_t *
gxps_images_create_from_tiff (GXPSArchive *zip,
const gchar *image_uri,
GError **error)
@@ -736,7 +772,7 @@ gxps_images_create_from_tiff (GXPSArchiv
#ifdef HAVE_LIBTIFF
TIFF *tiff;
TiffBuffer buffer;
- GXPSImage *image;
+ cairo_surface_t *image;
gint width, height;
guint16 res_unit;
float res_x, res_y;
@@ -802,49 +838,47 @@ gxps_images_create_from_tiff (GXPSArchiv
return NULL;
}
- image = g_slice_new (GXPSImage);
- image->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
- width, height);
- image->res_x = 96;
- image->res_y = 96;
+ image = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
+ width, height);
+ image_set_res (image, 96, 96);
if (!TIFFGetField (tiff, TIFFTAG_RESOLUTIONUNIT, &res_unit))
res_unit = 0;
if (TIFFGetField (tiff, TIFFTAG_XRESOLUTION, &res_x)) {
if (res_unit == 2) { /* inches */
- image->res_x = res_x;
+ image_set_res_x (image, res_x);
} else if (res_unit == 3) { /* centimeters */
- image->res_x = res_x * CENTIMETERS_PER_INCH;
+ image_set_res_x (image, res_x * CENTIMETERS_PER_INCH);
}
}
if (TIFFGetField (tiff, TIFFTAG_YRESOLUTION, &res_y)) {
if (res_unit == 2) { /* inches */
- image->res_y = res_y;
+ image_set_res_y (image, res_y);
} else if (res_unit == 3) { /* centimeters */
- image->res_y = res_y * CENTIMETERS_PER_INCH;
+ image_set_res_y (image, res_y * CENTIMETERS_PER_INCH);
}
}
- if (cairo_surface_status (image->surface)) {
+ if (cairo_surface_status (image)) {
g_set_error (error,
GXPS_ERROR,
GXPS_ERROR_IMAGE,
"Error loading TIFF image %s: %s",
image_uri,
- cairo_status_to_string (cairo_surface_status (image->surface)));
- gxps_image_free (image);
+ cairo_status_to_string (cairo_surface_status (image)));
+ cairo_surface_destroy (image);
TIFFClose (tiff);
_tiff_pop_handlers ();
g_free (buffer.buffer);
return NULL;
}
- data = cairo_image_surface_get_data (image->surface);
+ data = cairo_image_surface_get_data (image);
if (!TIFFReadRGBAImageOriented (tiff, width, height,
(uint32 *)data,
ORIENTATION_TOPLEFT, 1) || _tiff_error) {
fill_tiff_error (error, image_uri);
- gxps_image_free (image);
+ cairo_surface_destroy (image);
TIFFClose (tiff);
_tiff_pop_handlers ();
g_free (buffer.buffer);
@@ -855,7 +889,7 @@ gxps_images_create_from_tiff (GXPSArchiv
_tiff_pop_handlers ();
g_free (buffer.buffer);
- stride = cairo_image_surface_get_stride (image->surface);
+ stride = cairo_image_surface_get_stride (image);
p = data;
while (p < data + (height * stride)) {
guint32 *pixel = (guint32 *)p;
@@ -869,7 +903,7 @@ gxps_images_create_from_tiff (GXPSArchiv
p += 4;
}
- cairo_surface_mark_dirty (image->surface);
+ cairo_surface_mark_dirty (image);
return image;
#else
@@ -897,12 +931,12 @@ gxps_images_guess_content_type (GXPSArch
return mime_type;
}
-GXPSImage *
+cairo_surface_t *
gxps_images_get_image (GXPSArchive *zip,
const gchar *image_uri,
GError **error)
{
- GXPSImage *image = NULL;
+ cairo_surface_t *image = NULL;
gchar *image_uri_lower;
/* First try with extensions,
@@ -942,15 +976,3 @@ gxps_images_get_image (GXPSArchive *zip,
return image;
}
-
-void
-gxps_image_free (GXPSImage *image)
-{
- if (G_UNLIKELY (!image))
- return;
-
- if (G_LIKELY (image->surface))
- cairo_surface_destroy (image->surface);
-
- g_slice_free (GXPSImage, image);
-}
--- libgxps-0.3.0/libgxps/gxps-images.h
+++ libgxps-0.3.0/libgxps/gxps-images.h
@@ -25,18 +25,9 @@
G_BEGIN_DECLS
-typedef struct _GXPSImage GXPSImage;
-
-struct _GXPSImage {
- cairo_surface_t *surface;
- double res_x;
- double res_y;
-};
-
-GXPSImage *gxps_images_get_image (GXPSArchive *zip,
- const gchar *image_uri,
- GError **error);
-void gxps_image_free (GXPSImage *image);
+cairo_surface_t *gxps_images_get_image (GXPSArchive *zip,
+ const gchar *image_uri,
+ GError **error);
G_END_DECLS
--- libgxps-0.3.0/libgxps/gxps-page.c
+++ libgxps-0.3.0/libgxps/gxps-page.c
@@ -77,12 +77,12 @@ gxps_page_error_quark (void)
}
/* Images */
-GXPSImage *
+cairo_surface_t *
gxps_page_get_image (GXPSPage *page,
const gchar *image_uri,
GError **error)
{
- GXPSImage *image;
+ cairo_surface_t *image;
if (page->priv->image_cache) {
image = g_hash_table_lookup (page->priv->image_cache,
@@ -99,12 +99,12 @@ gxps_page_get_image (GXPSPage *page,
page->priv->image_cache = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify)g_free,
- (GDestroyNotify)gxps_image_free);
+ (GDestroyNotify)cairo_surface_destroy);
}
g_hash_table_insert (page->priv->image_cache,
g_strdup (image_uri),
- image);
+ cairo_surface_reference (image));
return image;
}
--- libgxps-0.3.0/libgxps/gxps-page-private.h
+++ libgxps-0.3.0/libgxps/gxps-page-private.h
@@ -58,9 +58,9 @@ struct _GXPSRenderContext {
GXPSBrushVisual *visual;
};
-GXPSImage *gxps_page_get_image (GXPSPage *page,
- const gchar *image_uri,
- GError **error);
+cairo_surface_t *gxps_page_get_image (GXPSPage *page,
+ const gchar *image_uri,
+ GError **error);
void gxps_page_render_parser_push (GMarkupParseContext *context,
GXPSRenderContext *ctx);