9f103b13bb
http://homepage3.nifty.com/slokar/fb/w3mfb.patch.gz * w3mimg/fb/readme.txt: update * w3mimg/fb/fb.c: update * w3mimg/fb/fb.h: update * w3mimg/fb/fb_gdkpixbuf.c: update * w3mimg/fb/fb_img.c: update * w3mimg/fb/fb_img.h: update * w3mimg/fb/fb_imlib2.c: update * w3mimg/fb/fb_w3mimg.c: update * w3mimg/fb/fb_gdkpixbuf.h: deleted * w3mimg/fb/fb_imlib2.h: deleted * w3mimg/w3mimg.h (w3mimg_op): add get_image_size() * w3mimg/x11/x11_w3mimg.c: update * w3mimgdisplay.c (main): use get_image_size() * w3mimgsize.c (main): use get_image_size() From: Hiroyuki Ito <hito@crl.go.jp>
125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
/* $Id: fb_imlib2.c,v 1.6 2002/07/22 16:17:32 ukai Exp $ */
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/**************************************************************************
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fb_imlib2.c 0.3 Copyright (C) 2002, hito
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**************************************************************************/
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#include <X11/Xlib.h>
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#include <Imlib2.h>
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#include "fb.h"
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#include "fb_img.h"
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static void draw(FB_IMAGE * img, Imlib_Image image);
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static Imlib_Image resize_image(Imlib_Image image, int width, int height);
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int
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get_image_size(char *filename, int *w, int *h)
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{
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Imlib_Image image;
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if (filename == NULL)
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return 1;
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image = imlib_load_image(filename);
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if (image == NULL)
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return 1;
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imlib_context_set_image(image);
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*w = imlib_image_get_width();
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*h = imlib_image_get_height();
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imlib_free_image();
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return 0;
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}
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FB_IMAGE *
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fb_image_load(char *filename, int w, int h)
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{
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Imlib_Image image;
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FB_IMAGE *img;
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if (filename == NULL)
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return NULL;
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image = imlib_load_image(filename);
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if (image == NULL)
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return NULL;
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image = resize_image(image, w, h);
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if (image == NULL)
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return NULL;
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imlib_context_set_image(image);
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w = imlib_image_get_width();
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h = imlib_image_get_height();
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img = fb_image_new(w, h);
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if (img == NULL) {
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imlib_free_image();
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return NULL;
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}
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draw(img, image);
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imlib_free_image();
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return img;
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}
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static void
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draw(FB_IMAGE * img, Imlib_Image image)
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{
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int i, j, r, g, b, a = 0, offset;
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DATA32 *data;
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if (img == NULL)
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return;
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imlib_context_set_image(image);
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data = imlib_image_get_data_for_reading_only();
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for (j = 0; j < img->height; j++) {
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offset = img->width * j;
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for (i = 0; i < img->width; i++) {
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a = (data[offset + i] >> 24) & 0x000000ff;
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r = (data[offset + i] >> 16) & 0x000000ff;
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g = (data[offset + i] >> 8) & 0x000000ff;
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b = (data[offset + i]) & 0x000000ff;
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if (a == 0)
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fb_image_pset(img, i, j, bg_r, bg_g, bg_b);
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else
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fb_image_pset(img, i, j, r, g, b);
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}
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}
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return;
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}
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static Imlib_Image
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resize_image(Imlib_Image image, int width, int height)
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{
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Imlib_Image resized_image;
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int w, h;
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if (image == NULL)
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return NULL;
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imlib_context_set_image(image);
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w = imlib_image_get_width();
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h = imlib_image_get_height();
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if (width < 1 || height < 1)
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return image;
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if (w == width && h == height)
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return image;
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resized_image =
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imlib_create_cropped_scaled_image(0, 0, w, h, width, height);
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imlib_free_image();
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return resized_image;
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}
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