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authorTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:05:14 +0000
committerTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:05:14 +0000
commit72f72d64a422d6628c4796f5c0bf2e508f134214 (patch)
tree0c9ea90cc53310832c977265521fb44db24a515e /w3mimg/fb/fb_imlib2.c
parentAdding upstream version 0.3 (diff)
downloadw3m-1ef51c20e0ea7b35c8c9cad6f9d9bc1e16664cc5.tar.gz
w3m-1ef51c20e0ea7b35c8c9cad6f9d9bc1e16664cc5.zip
Adding upstream version 0.5.1upstream/0.5.1
Diffstat (limited to 'w3mimg/fb/fb_imlib2.c')
-rw-r--r--w3mimg/fb/fb_imlib2.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/w3mimg/fb/fb_imlib2.c b/w3mimg/fb/fb_imlib2.c
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+++ b/w3mimg/fb/fb_imlib2.c
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+/* $Id: fb_imlib2.c,v 1.9 2003/03/24 15:45:59 ukai Exp $ */
+/**************************************************************************
+ fb_imlib2.c 0.3 Copyright (C) 2002, hito
+ **************************************************************************/
+
+#include <X11/Xlib.h>
+#include <Imlib2.h>
+#include "fb.h"
+#include "fb_img.h"
+
+static void draw(FB_IMAGE * img, Imlib_Image image);
+static Imlib_Image resize_image(Imlib_Image image, int width, int height);
+
+int
+get_image_size(char *filename, int *w, int *h)
+{
+ Imlib_Image image;
+
+ if (filename == NULL)
+ return 1;
+
+ image = imlib_load_image(filename);
+ if (image == NULL)
+ return 1;
+
+ imlib_context_set_image(image);
+ *w = imlib_image_get_width();
+ *h = imlib_image_get_height();
+ imlib_free_image();
+
+ return 0;
+}
+
+FB_IMAGE **
+fb_image_load(char *filename, int w, int h, int n)
+{
+ Imlib_Image image;
+ FB_IMAGE **frame;
+
+ if (filename == NULL)
+ return NULL;
+
+ image = imlib_load_image(filename);
+ if (image == NULL)
+ return NULL;
+
+ image = resize_image(image, w, h);
+ if (image == NULL)
+ return NULL;
+
+ imlib_context_set_image(image);
+
+ w = imlib_image_get_width();
+ h = imlib_image_get_height();
+
+ frame = fb_frame_new(w, h, 1);
+
+ if (frame == NULL) {
+ imlib_free_image();
+ return NULL;
+ }
+
+ draw(frame[0], image);
+
+ imlib_free_image();
+
+ return frame;
+}
+
+static void
+draw(FB_IMAGE * img, Imlib_Image image)
+{
+ int i, j, r, g, b, a = 0, offset;
+ DATA32 *data;
+
+ if (img == NULL)
+ return;
+
+ imlib_context_set_image(image);
+ data = imlib_image_get_data_for_reading_only();
+
+ for (j = 0; j < img->height; j++) {
+ offset = img->width * j;
+ for (i = 0; i < img->width; i++) {
+ a = (data[offset + i] >> 24) & 0x000000ff;
+ r = (data[offset + i] >> 16) & 0x000000ff;
+ g = (data[offset + i] >> 8) & 0x000000ff;
+ b = (data[offset + i]) & 0x000000ff;
+
+ if (a == 0) {
+ fb_image_pset(img, i, j, bg_r, bg_g, bg_b);
+ }
+ else {
+ fb_image_pset(img, i, j, r, g, b);
+ }
+ }
+ }
+ return;
+}
+
+static Imlib_Image
+resize_image(Imlib_Image image, int width, int height)
+{
+ Imlib_Image resized_image;
+ int w, h;
+
+ if (image == NULL)
+ return NULL;
+
+ imlib_context_set_image(image);
+ w = imlib_image_get_width();
+ h = imlib_image_get_height();
+
+ if (width < 1 || height < 1)
+ return image;
+
+ if (w == width && h == height)
+ return image;
+
+ resized_image =
+ imlib_create_cropped_scaled_image(0, 0, w, h, width, height);
+
+ imlib_free_image();
+
+ return resized_image;
+}