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-rw-r--r--image/bmp.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/image/bmp.c b/image/bmp.c
new file mode 100644
index 000000000..b2fc59f86
--- /dev/null
+++ b/image/bmp.c
@@ -0,0 +1,127 @@
+/*
+ * 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 2006 Richard Wilson <info@tinct.net>
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include "netsurf/utils/config.h"
+#include "netsurf/content/content.h"
+#include "netsurf/desktop/browser.h"
+#include "netsurf/desktop/options.h"
+#include "netsurf/desktop/plotters.h"
+#include "netsurf/image/bitmap.h"
+#include "netsurf/image/bmp.h"
+#include "netsurf/image/bmpread.h"
+#include "netsurf/utils/log.h"
+#include "netsurf/utils/messages.h"
+#include "netsurf/utils/utils.h"
+
+#ifdef WITH_BMP
+
+static void nsbmp_invalidate(struct bitmap *bitmap, void *private_word);
+
+bool nsbmp_create(struct content *c, const char *params[]) {
+ union content_msg_data msg_data;
+
+ c->data.bmp.bmp = calloc(sizeof(struct bmp_image), 1);
+ if (!c->data.bmp.bmp) {
+ msg_data.error = messages_get("NoMemory");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ warn_user("NoMemory", 0);
+ return false;
+ }
+ return true;
+}
+
+
+bool nsbmp_convert(struct content *c, int iwidth, int iheight) {
+ bmp_result res;
+ struct bmp_image *bmp;
+ union content_msg_data msg_data;
+
+ /* set our source data */
+ bmp = c->data.bmp.bmp;
+ bmp->bmp_data = c->source_data;
+ bmp->buffer_size = c->source_size;
+
+ /* analyse the BMP */
+ res = bmp_analyse(bmp);
+ switch (res) {
+ case BMP_OK:
+ break;
+ case BMP_INSUFFICIENT_MEMORY:
+ msg_data.error = messages_get("NoMemory");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ warn_user("NoMemory", 0);
+ return false;
+ case BMP_INSUFFICIENT_DATA:
+ case BMP_DATA_ERROR:
+ msg_data.error = messages_get("BadBMP");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ return false;
+ }
+
+ /* Store our content width and description
+ */
+ c->width = bmp->width;
+ c->height = bmp->height;
+ c->title = malloc(100);
+ if (c->title)
+ snprintf(c->title, 100, messages_get("BMPTitle"), c->width,
+ c->height, c->source_size);
+ c->size += (bmp->width * bmp->height * 4) + 16 + 44 + 100;
+
+ /* make so that the bitmap code can free our image quickly */
+ bitmap_set_suspendable(bmp->bitmap, bmp, nsbmp_invalidate);
+
+ /* exit as a success */
+ c->bitmap = bmp->bitmap;
+ c->status = CONTENT_STATUS_DONE;
+ return true;
+}
+
+void nsbmp_invalidate(struct bitmap *bitmap, void *private_word) {
+ struct bmp_image *bmp = (struct bmp_image *)private_word;
+
+ bmp->decoded = false;
+}
+
+bool nsbmp_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) {
+
+ if (!c->data.bmp.bmp->decoded)
+ bmp_decode(c->data.bmp.bmp);
+ c->bitmap = c->data.bmp.bmp->bitmap;
+ return plot.bitmap(x, y, width, height, c->bitmap, background_colour);
+}
+
+
+bool nsbmp_redraw_tiled(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,
+ bool repeat_x, bool repeat_y) {
+
+ if (!c->data.bmp.bmp->decoded)
+ bmp_decode(c->data.bmp.bmp);
+ c->bitmap = c->data.bmp.bmp->bitmap;
+ return plot.bitmap_tile(x, y, width, height, c->bitmap,
+ background_colour, repeat_x, repeat_y);
+}
+
+
+void nsbmp_destroy(struct content *c)
+{
+ bmp_finalise(c->data.bmp.bmp);
+ free(c->data.bmp.bmp);
+ free(c->title);
+}
+
+#endif