diff options
Diffstat (limited to 'gtk/gtk_bitmap.c')
-rw-r--r-- | gtk/gtk_bitmap.c | 282 |
1 files changed, 141 insertions, 141 deletions
diff --git a/gtk/gtk_bitmap.c b/gtk/gtk_bitmap.c index ae9fd1695..0121963fe 100644 --- a/gtk/gtk_bitmap.c +++ b/gtk/gtk_bitmap.c @@ -1,141 +1,141 @@ -/*
- * This file is part of NetSurf, http://netsurf.sourceforge.net/
- * Licensed under the GNU General Public License,
- * http://www.opensource.org/licenses/gpl-license
- * Copyright 2004 James Bursa <bursa@users.sourceforge.net>
- */
-
-/** \file
- * Generic bitmap handling (GDK / GTK+ implementation).
- *
- * This implements the interface given by desktop/bitmap.h using GdkPixbufs.
- */
-
-#include <assert.h>
-#include <stdbool.h>
-#include <string.h>
-#include <gdk/gdk.h>
-#include <gdk-pixbuf/gdk-pixbuf.h>
-#include "netsurf/content/content.h"
-#include "netsurf/image/bitmap.h"
-
-
-extern GdkDrawable *current_drawable;
-extern GdkGC *current_gc;
-
-
-struct bitmap;
-
-
-/**
- * Create a bitmap.
- *
- * \param width width of image in pixels
- * \param height width of image in pixels
- * \return an opaque struct bitmap, or NULL on memory exhaustion
- */
-
-struct bitmap *bitmap_create(int width, int height)
-{
- GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8,
- width, height);
- return (struct bitmap *) pixbuf;
-}
-
-
-/**
- * Sets whether a bitmap should be plotted opaque
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- * \param opaque whether the bitmap should be plotted opaque
- */
-void bitmap_set_opaque(struct bitmap *bitmap, bool opaque)
-{
- assert(bitmap);
-/* todo: set bitmap as opaque */
-}
-
-
-/**
- * Tests whether a bitmap has an opaque alpha channel
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- * \return whether the bitmap is opaque
- */
-bool bitmap_test_opaque(struct bitmap *bitmap)
-{
- assert(bitmap);
-/* todo: test if bitmap as opaque */
- return false;
-}
-
-
-/**
- * Gets whether a bitmap should be plotted opaque
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- */
-bool bitmap_get_opaque(struct bitmap *bitmap)
-{
- assert(bitmap);
-/* todo: get whether bitmap is opaque */
- return false;
-}
-
-
-/**
- * Return a pointer to the pixel data in a bitmap.
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- * \return pointer to the pixel buffer
- *
- * The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end
- * of rows. The width of a row in bytes is given by bitmap_get_rowstride().
- */
-
-char *bitmap_get_buffer(struct bitmap *bitmap)
-{
- assert(bitmap);
- return gdk_pixbuf_get_pixels((GdkPixbuf *) bitmap);
-}
-
-
-/**
- * Find the width of a pixel row in bytes.
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- * \return width of a pixel row in the bitmap
- */
-
-size_t bitmap_get_rowstride(struct bitmap *bitmap)
-{
- assert(bitmap);
- return gdk_pixbuf_get_rowstride((GdkPixbuf *) bitmap);
-}
-
-
-/**
- * Free a bitmap.
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- */
-
-void bitmap_destroy(struct bitmap *bitmap)
-{
- assert(bitmap);
- g_object_unref((GdkPixbuf *) bitmap);
-}
-
-
-/**
- * Save a bitmap in the platform's native format.
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- * \param path pathname for file
- * \return true on success, false on error and error reported
- */
-
-bool bitmap_save(struct bitmap *bitmap, const char *path)
-{
- return true;
-}
+/* + * This file is part of NetSurf, http://netsurf.sourceforge.net/ + * Licensed under the GNU General Public License, + * http://www.opensource.org/licenses/gpl-license + * Copyright 2004 James Bursa <bursa@users.sourceforge.net> + */ + +/** \file + * Generic bitmap handling (GDK / GTK+ implementation). + * + * This implements the interface given by desktop/bitmap.h using GdkPixbufs. + */ + +#include <assert.h> +#include <stdbool.h> +#include <string.h> +#include <gdk/gdk.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include "netsurf/content/content.h" +#include "netsurf/image/bitmap.h" + + +extern GdkDrawable *current_drawable; +extern GdkGC *current_gc; + + +struct bitmap; + + +/** + * Create a bitmap. + * + * \param width width of image in pixels + * \param height width of image in pixels + * \return an opaque struct bitmap, or NULL on memory exhaustion + */ + +struct bitmap *bitmap_create(int width, int height) +{ + GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, + width, height); + return (struct bitmap *) pixbuf; +} + + +/** + * Sets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param opaque whether the bitmap should be plotted opaque + */ +void bitmap_set_opaque(struct bitmap *bitmap, bool opaque) +{ + assert(bitmap); +/* todo: set bitmap as opaque */ +} + + +/** + * Tests whether a bitmap has an opaque alpha channel + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return whether the bitmap is opaque + */ +bool bitmap_test_opaque(struct bitmap *bitmap) +{ + assert(bitmap); +/* todo: test if bitmap as opaque */ + return false; +} + + +/** + * Gets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +bool bitmap_get_opaque(struct bitmap *bitmap) +{ + assert(bitmap); +/* todo: get whether bitmap is opaque */ + return false; +} + + +/** + * Return a pointer to the pixel data in a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return pointer to the pixel buffer + * + * The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end + * of rows. The width of a row in bytes is given by bitmap_get_rowstride(). + */ + +char *bitmap_get_buffer(struct bitmap *bitmap) +{ + assert(bitmap); + return gdk_pixbuf_get_pixels((GdkPixbuf *) bitmap); +} + + +/** + * Find the width of a pixel row in bytes. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return width of a pixel row in the bitmap + */ + +size_t bitmap_get_rowstride(struct bitmap *bitmap) +{ + assert(bitmap); + return gdk_pixbuf_get_rowstride((GdkPixbuf *) bitmap); +} + + +/** + * Free a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ + +void bitmap_destroy(struct bitmap *bitmap) +{ + assert(bitmap); + g_object_unref((GdkPixbuf *) bitmap); +} + + +/** + * Save a bitmap in the platform's native format. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param path pathname for file + * \return true on success, false on error and error reported + */ + +bool bitmap_save(struct bitmap *bitmap, const char *path) +{ + return true; +} |