diff options
Diffstat (limited to 'w3mimg/fb/fb_gdkpixbuf.c')
| -rw-r--r-- | w3mimg/fb/fb_gdkpixbuf.c | 159 |
1 files changed, 93 insertions, 66 deletions
diff --git a/w3mimg/fb/fb_gdkpixbuf.c b/w3mimg/fb/fb_gdkpixbuf.c index 003096a..99c8971 100644 --- a/w3mimg/fb/fb_gdkpixbuf.c +++ b/w3mimg/fb/fb_gdkpixbuf.c @@ -1,4 +1,4 @@ -/* $Id: fb_gdkpixbuf.c,v 1.6 2002/07/22 16:17:32 ukai Exp $ */ +/* $Id: fb_gdkpixbuf.c,v 1.7 2002/07/29 15:25:37 ukai Exp $ */ /************************************************************************** fb_gdkpixbuf.c 0.3 Copyright (C) 2002, hito **************************************************************************/ @@ -7,117 +7,144 @@ #include "fb.h" #include "fb_img.h" -static void draw(FB_IMAGE * img, GdkPixbuf * pixbuf); +static void draw(FB_IMAGE * img, int bg, int x, int y, int w, int h, + GdkPixbuf * pixbuf); static GdkPixbuf *resize_image(GdkPixbuf * pixbuf, int width, int height); int -get_image_size(char *filename, int *w, int *h) +get_image_size(char *filename, int *w, int *h) { - GdkPixbuf *pixbuf; - + GdkPixbufAnimation * animation; if (filename == NULL) return 1; - - pixbuf = gdk_pixbuf_new_from_file(filename); - if (pixbuf == NULL) + animation = gdk_pixbuf_animation_new_from_file(filename); + if (animation == NULL) return 1; - - *w = gdk_pixbuf_get_width(pixbuf); - *h = gdk_pixbuf_get_height(pixbuf); - - gdk_pixbuf_finalize(pixbuf); + *w = gdk_pixbuf_animation_get_width(animation); + *h = gdk_pixbuf_animation_get_height(animation); + gdk_pixbuf_animation_unref(animation); return 0; } -FB_IMAGE * -fb_image_load(char *filename, int w, int h) +FB_IMAGE ** fb_image_load(char *filename, int w, int h) { - GdkPixbuf *pixbuf; - FB_IMAGE *img; - + GdkPixbufAnimation * animation; + GList * frames; + double ratio_w, ratio_h; + int n, i, fw, fh; + FB_IMAGE ** fb_frame; + GdkPixbufFrameAction action = GDK_PIXBUF_FRAME_REVERT; if (filename == NULL) return NULL; - - pixbuf = gdk_pixbuf_new_from_file(filename); - if (pixbuf == NULL) - return NULL; - - pixbuf = resize_image(pixbuf, w, h); - if (pixbuf == NULL) - return NULL; - - w = gdk_pixbuf_get_width(pixbuf); - h = gdk_pixbuf_get_height(pixbuf); - - img = fb_image_new(w, h); - - if (img == NULL) { - gdk_pixbuf_finalize(pixbuf); + animation = gdk_pixbuf_animation_new_from_file(filename); + if (animation == NULL) return NULL; + frames = gdk_pixbuf_animation_get_frames(animation); + fw = gdk_pixbuf_animation_get_width(animation); + fh = gdk_pixbuf_animation_get_height(animation); + n = gdk_pixbuf_animation_get_num_frames(animation); + if (w < 1 || h < 1) { + w = fw; + h = fh; + ratio_w = ratio_h = 1; + } else { + ratio_w = 1.0 * w / fw; + ratio_h = 1.0 * h / fh; } - - draw(img, pixbuf); - - gdk_pixbuf_finalize(pixbuf); - - return img; + fb_frame = fb_frame_new(w, h, n); + if (fb_frame == NULL) + goto END; + for (i = 0; i < n; i++) { + GdkPixbufFrame * frame; + GdkPixbuf * org_pixbuf, *pixbuf; + int width, height, ofstx, ofsty; + frame = (GdkPixbufFrame *) g_list_nth_data(frames, i); + org_pixbuf = gdk_pixbuf_frame_get_pixbuf(frame); + ofstx = gdk_pixbuf_frame_get_x_offset(frame); + ofsty = gdk_pixbuf_frame_get_y_offset(frame); + width = gdk_pixbuf_get_width(org_pixbuf); + height = gdk_pixbuf_get_height(org_pixbuf); + if (ofstx == 0 && ofsty == 0 && width == fw && height == fh) { + pixbuf = resize_image(org_pixbuf, w, h); + } else { + pixbuf = + resize_image(org_pixbuf, width * ratio_w, height * ratio_h); + ofstx *= ratio_w; + ofsty *= ratio_h; + } + width = gdk_pixbuf_get_width(pixbuf); + height = gdk_pixbuf_get_height(pixbuf); + fb_frame[i]->delay = gdk_pixbuf_frame_get_delay_time(frame); + if (i > 0) { + switch (action) { + case GDK_PIXBUF_FRAME_RETAIN: + fb_image_copy(fb_frame[i], fb_frame[i - 1]); + break; + case GDK_PIXBUF_FRAME_DISPOSE: + if(bg_r != 0 || bg_g != 0 || bg_b != 0){ + fb_image_fill(fb_frame[i], bg_r, bg_g, bg_b); + } + break; + case GDK_PIXBUF_FRAME_REVERT: + fb_image_copy(fb_frame[i], fb_frame[0]); + break; + default: + fb_image_copy(fb_frame[i], fb_frame[0]); + } + } + action = gdk_pixbuf_frame_get_action(frame); + draw(fb_frame[i], !i, ofstx, ofsty, width, height, pixbuf); + if (org_pixbuf != pixbuf) + gdk_pixbuf_finalize(pixbuf); + } + END: + gdk_pixbuf_animation_unref(animation); + return fb_frame; } - -void -draw(FB_IMAGE * img, GdkPixbuf * pixbuf) +static void +draw(FB_IMAGE * img, int bg, int x, int y, int w, int h, GdkPixbuf * pixbuf) { int i, j, r, g, b, offset, bpp, rowstride; - guchar *pixels; + guchar * pixels; gboolean alpha; - if (img == NULL || pixbuf == NULL) return; - rowstride = gdk_pixbuf_get_rowstride(pixbuf); pixels = gdk_pixbuf_get_pixels(pixbuf); alpha = gdk_pixbuf_get_has_alpha(pixbuf); - - bpp = rowstride / img->width; - for (j = 0; j < img->height; j++) { + bpp = rowstride / w; + for (j = 0; j < h; j++) { offset = j * rowstride; - for (i = 0; i < img->width; i++, offset += bpp) { + for (i = 0; i < w; i++, offset += bpp) { r = pixels[offset]; g = pixels[offset + 1]; b = pixels[offset + 2]; - if (alpha && pixels[offset + 3] == 0) - fb_image_pset(img, i, j, bg_r, bg_g, bg_b); - else - fb_image_pset(img, i, j, r, g, b); + if (alpha && pixels[offset + 3] == 0) { + if (bg) + fb_image_pset(img, i + x, j + y, bg_r, bg_g, bg_b); + } else { + fb_image_pset(img, i + x, j + y, r, g, b); + } } } return; } - static GdkPixbuf * -resize_image(GdkPixbuf * pixbuf, int width, int height) +resize_image(GdkPixbuf * pixbuf, int width, int height) { GdkPixbuf * resized_pixbuf; int w, h; - if (pixbuf == NULL) return NULL; - w = gdk_pixbuf_get_width(pixbuf); h = gdk_pixbuf_get_height(pixbuf); - if (width < 1 || height < 1) return pixbuf; - if (w == width && h == height) return pixbuf; - - resized_pixbuf = + resized_pixbuf = gdk_pixbuf_scale_simple(pixbuf, width, height, GDK_INTERP_HYPER); - - gdk_pixbuf_finalize(pixbuf); - if (resized_pixbuf == NULL) return NULL; - return resized_pixbuf; } |