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-rw-r--r--image/ico.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/image/ico.c b/image/ico.c
new file mode 100644
index 000000000..cdb21eb57
--- /dev/null
+++ b/image/ico.c
@@ -0,0 +1,118 @@
+/*
+ * 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/plotters.h"
+#include "netsurf/image/bitmap.h"
+#include "netsurf/image/bmpread.h"
+#include "netsurf/image/ico.h"
+#include "netsurf/utils/log.h"
+#include "netsurf/utils/messages.h"
+#include "netsurf/utils/utils.h"
+
+#ifdef WITH_BMP
+
+bool nsico_create(struct content *c, const char *params[]) {
+ union content_msg_data msg_data;
+
+ c->data.ico.ico = calloc(sizeof(struct ico_collection), 1);
+ if (!c->data.ico.ico) {
+ msg_data.error = messages_get("NoMemory");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ warn_user("NoMemory", 0);
+ return false;
+ }
+ return true;
+}
+
+
+bool nsico_convert(struct content *c, int iwidth, int iheight) {
+ struct bmp_image *bmp;
+ bmp_result res;
+ struct ico_collection *ico;
+ union content_msg_data msg_data;
+
+ /* set our source data */
+ ico = c->data.ico.ico;
+ ico->ico_data = c->source_data;
+ ico->buffer_size = c->source_size;
+
+ /* analyse the BMP */
+ res = ico_analyse(ico);
+ 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("BadICO");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ return false;
+ }
+
+ /* Store our content width and description
+ */
+ c->width = ico->width;
+ c->height = ico->height;
+ c->title = malloc(100);
+ if (c->title)
+ snprintf(c->title, 100, messages_get("ICOTitle"), c->width,
+ c->height, c->source_size);
+ c->size += (ico->width * ico->height * 4) + 16 + 44 + 100;
+
+ /* exit as a success */
+ bmp = ico_find(c->data.ico.ico, 255, 255);
+ assert(bmp);
+ c->bitmap = bmp->bitmap;
+ c->status = CONTENT_STATUS_DONE;
+ return true;
+}
+
+bool nsico_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) {
+ struct bmp_image *bmp = ico_find(c->data.ico.ico, width, height);
+ if (!bmp->decoded)
+ bmp_decode(bmp);
+ c->bitmap = bmp->bitmap;
+ return plot.bitmap(x, y, width, height, c->bitmap,
+ background_colour);
+}
+
+
+bool nsico_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) {
+ struct bmp_image *bmp = ico_find(c->data.ico.ico, width, height);
+ if (!bmp->decoded)
+ bmp_decode(bmp);
+ c->bitmap = bmp->bitmap;
+ return plot.bitmap_tile(x, y, width, height, c->bitmap,
+ background_colour, repeat_x, repeat_y);
+}
+
+
+void nsico_destroy(struct content *c)
+{
+ ico_finalise(c->data.ico.ico);
+ free(c->data.ico.ico);
+ free(c->title);
+}
+
+#endif