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author | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:05:14 +0000 |
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committer | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:05:14 +0000 |
commit | 72f72d64a422d6628c4796f5c0bf2e508f134214 (patch) | |
tree | 0c9ea90cc53310832c977265521fb44db24a515e /w3mimg/fb/fb_imlib2.c | |
parent | Adding upstream version 0.3 (diff) | |
download | w3m-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.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/w3mimg/fb/fb_imlib2.c b/w3mimg/fb/fb_imlib2.c new file mode 100644 index 0000000..972f06e --- /dev/null +++ b/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; +} |