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This commit is contained in:
Fumitoshi UKAI
2002-07-18 15:10:52 +00:00
parent a8a4a7881d
commit 2bd2c7d4ee
7 changed files with 888 additions and 775 deletions
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216
w3mimg/fb/fb_gdkpixbuf.c
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@@ -1,4 +1,4 @@
/* $Id: fb_gdkpixbuf.c,v 1.4 2002/07/18 15:01:31 ukai Exp $ */
/* $Id: fb_gdkpixbuf.c,v 1.5 2002/07/18 15:12:06 ukai Exp $ */
/**************************************************************************
fb_gdkpixbuf.c 0.2 Copyright (C) 2002, hito
**************************************************************************/
@@ -6,124 +6,132 @@
#include "fb.h"
#include "fb_img.h"
static void set_prm(IMAGE *img);
static void set_prm(IMAGE * img);
IMAGE *fb_load_image(char *filename, int w, int h)
IMAGE *
fb_load_image(char *filename, int w, int h)
{
GdkPixbuf *pixbuf;
IMAGE *img;
GdkPixbuf *pixbuf;
IMAGE *img;
if(filename == NULL)
return NULL;
if (filename == NULL)
return NULL;
img = malloc(sizeof(*img));
if(img == NULL)
return NULL;
pixbuf = gdk_pixbuf_new_from_file(filename);
if(pixbuf == NULL){
free(img);
return NULL;
}
img = malloc(sizeof(*img));
if (img == NULL)
return NULL;
img->pixbuf = pixbuf;
set_prm(img);
fb_resize_image(img, w, h);
return img;
}
int fb_draw_image(IMAGE *img, int x, int y, int sx, int sy, int width, int height)
{
int i, j, r, g, b, offset, bpp;
if(img == NULL)
return 1;
bpp = img->rowstride / img->width;
for(j = sy; j < sy + height && j < img->height; j++){
offset = j * img->rowstride + bpp * sx;
for(i = sx; i < sx + width && i < img->width; i++, offset += bpp){
r = img->pixels[offset];
g = img->pixels[offset + 1];
b = img->pixels[offset + 2];
if(img->alpha && img->pixels[offset + 3] == 0)
fb_pset(i + x - sx, j + y - sy, bg_r, bg_g, bg_b);
else
fb_pset(i + x - sx, j + y - sy, r, g, b);
pixbuf = gdk_pixbuf_new_from_file(filename);
if (pixbuf == NULL) {
free(img);
return NULL;
}
}
return 0;
img->pixbuf = pixbuf;
set_prm(img);
fb_resize_image(img, w, h);
return img;
}
int fb_resize_image(IMAGE *img, int width, int height)
int
fb_draw_image(IMAGE * img, int x, int y, int sx, int sy, int width, int height)
{
GdkPixbuf *pixbuf;
if(width < 1 || height < 1 || img == NULL)
return 1;
int i, j, r, g, b, offset, bpp;
if(width == img->width && height == img->height)
if (img == NULL)
return 1;
bpp = img->rowstride / img->width;
for (j = sy; j < sy + height && j < img->height; j++) {
offset = j * img->rowstride + bpp * sx;
for (i = sx; i < sx + width && i < img->width; i++, offset += bpp) {
r = img->pixels[offset];
g = img->pixels[offset + 1];
b = img->pixels[offset + 2];
if (img->alpha && img->pixels[offset + 3] == 0)
fb_pset(i + x - sx, j + y - sy, bg_r, bg_g, bg_b);
else
fb_pset(i + x - sx, j + y - sy, r, g, b);
}
}
return 0;
}
pixbuf = gdk_pixbuf_scale_simple(img->pixbuf, width, height, GDK_INTERP_HYPER);
if(pixbuf == NULL)
int
fb_resize_image(IMAGE * img, int width, int height)
{
GdkPixbuf *pixbuf;
if (width < 1 || height < 1 || img == NULL)
return 1;
if (width == img->width && height == img->height)
return 0;
pixbuf =
gdk_pixbuf_scale_simple(img->pixbuf, width, height, GDK_INTERP_HYPER);
if (pixbuf == NULL)
return 1;
gdk_pixbuf_finalize(img->pixbuf);
img->pixbuf = pixbuf;
set_prm(img);
return 0;
}
void
fb_free_image(IMAGE * img)
{
if (img == NULL)
return;
gdk_pixbuf_finalize(img->pixbuf);
free(img);
}
IMAGE *
fb_dup_image(IMAGE * img)
{
GdkPixbuf *pixbuf;
IMAGE *new_img;
if (img == NULL)
return NULL;
new_img = malloc(sizeof(*img));
if (new_img == NULL)
return NULL;
pixbuf = gdk_pixbuf_copy(img->pixbuf);
if (pixbuf == NULL) {
free(new_img);
return NULL;
}
new_img->pixbuf = pixbuf;
set_prm(new_img);
return new_img;
}
int
fb_rotate_image(IMAGE * img, int angle)
{
return 1;
gdk_pixbuf_finalize(img->pixbuf);
img->pixbuf = pixbuf;
set_prm(img);
return 0;
}
void fb_free_image(IMAGE *img)
static void
set_prm(IMAGE * img)
{
if(img == NULL)
return;
GdkPixbuf *pixbuf;
gdk_pixbuf_finalize(img->pixbuf);
free(img);
}
IMAGE *fb_dup_image(IMAGE *img)
{
GdkPixbuf *pixbuf;
IMAGE *new_img;
if(img == NULL)
return NULL;
new_img = malloc(sizeof(*img));
if(new_img == NULL)
return NULL;
pixbuf = gdk_pixbuf_copy(img->pixbuf);
if(pixbuf == NULL){
free(new_img);
return NULL;
}
new_img->pixbuf = pixbuf;
set_prm(new_img);
return new_img;
}
int fb_rotate_image(IMAGE *img, int angle)
{
return 1;
}
static void set_prm(IMAGE *img)
{
GdkPixbuf *pixbuf;
if(img == NULL)
return;
pixbuf = img->pixbuf;
img->pixels = gdk_pixbuf_get_pixels(pixbuf);
img->width = gdk_pixbuf_get_width(pixbuf);
img->height = gdk_pixbuf_get_height(pixbuf);
img->alpha = gdk_pixbuf_get_has_alpha(pixbuf);
img->rowstride = gdk_pixbuf_get_rowstride(pixbuf);
if (img == NULL)
return;
pixbuf = img->pixbuf;
img->pixels = gdk_pixbuf_get_pixels(pixbuf);
img->width = gdk_pixbuf_get_width(pixbuf);
img->height = gdk_pixbuf_get_height(pixbuf);
img->alpha = gdk_pixbuf_get_has_alpha(pixbuf);
img->rowstride = gdk_pixbuf_get_rowstride(pixbuf);
}