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-rw-r--r--debug/debug_bitmap.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/debug/debug_bitmap.c b/debug/debug_bitmap.c
new file mode 100644
index 000000000..8ac52f3ff
--- /dev/null
+++ b/debug/debug_bitmap.c
@@ -0,0 +1,113 @@
+/*
+ * 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 (dummy debug implementation).
+ *
+ * This implements the interface given by desktop/bitmap.h using a simple
+ * buffer.
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include "netsurf/image/bitmap.h"
+
+
+struct bitmap {
+ int width;
+ char pixels[1];
+};
+
+
+/**
+ * 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)
+{
+ struct bitmap *bitmap;
+ bitmap = calloc(sizeof *bitmap + width * height * 4, 1);
+ if (bitmap)
+ bitmap->width = width;
+ return bitmap;
+}
+
+
+/**
+ * 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 bitmap->pixels;
+}
+
+
+/**
+ * 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 bitmap->width * 4;
+}
+
+
+/**
+ * Free a bitmap.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ */
+
+void bitmap_destroy(struct bitmap *bitmap)
+{
+ assert(bitmap);
+ free(bitmap);
+}
+
+
+/**
+ * Render a bitmap.
+ */
+
+bool bitmap_redraw(struct content *c, int x, int y,
+ int width, int height,
+ int clip_x0, int clip_y0, int clip_x1, int clip_y1,
+ float scale, unsigned long background_colour)
+{
+ return true;
+}
+
+
+/**
+ * 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;
+}