Adding upstream version 0.5.1

w3mimg/fb/fb_imlib2.c

@@ -0,0 +1,126 @@
+/* $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;
+}