[w3m-dev 03279] w3m-img for framebuffer update

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>
This commit is contained in:
Fumitoshi UKAI
2002-07-22 16:17:32 +00:00
parent b58f88a1e8
commit 9f103b13bb
15 changed files with 416 additions and 348 deletions

View File

@@ -1,137 +1,123 @@
/* $Id: fb_gdkpixbuf.c,v 1.5 2002/07/18 15:12:06 ukai Exp $ */
/* $Id: fb_gdkpixbuf.c,v 1.6 2002/07/22 16:17:32 ukai Exp $ */
/**************************************************************************
fb_gdkpixbuf.c 0.2 Copyright (C) 2002, hito
fb_gdkpixbuf.c 0.3 Copyright (C) 2002, hito
**************************************************************************/
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "fb.h"
#include "fb_img.h"
static void set_prm(IMAGE * img);
static void draw(FB_IMAGE * img, GdkPixbuf * pixbuf);
static GdkPixbuf *resize_image(GdkPixbuf * pixbuf, int width, int height);
IMAGE *
fb_load_image(char *filename, int w, int h)
int
get_image_size(char *filename, int *w, int *h)
{
GdkPixbuf *pixbuf;
IMAGE *img;
if (filename == NULL)
return 1;
pixbuf = gdk_pixbuf_new_from_file(filename);
if (pixbuf == NULL)
return 1;
*w = gdk_pixbuf_get_width(pixbuf);
*h = gdk_pixbuf_get_height(pixbuf);
gdk_pixbuf_finalize(pixbuf);
return 0;
}
FB_IMAGE *
fb_image_load(char *filename, int w, int h)
{
GdkPixbuf *pixbuf;
FB_IMAGE *img;
if (filename == NULL)
return NULL;
img = malloc(sizeof(*img));
if (img == NULL)
pixbuf = gdk_pixbuf_new_from_file(filename);
if (pixbuf == NULL)
return NULL;
pixbuf = gdk_pixbuf_new_from_file(filename);
if (pixbuf == NULL) {
free(img);
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);
return NULL;
}
img->pixbuf = pixbuf;
set_prm(img);
draw(img, pixbuf);
fb_resize_image(img, w, h);
gdk_pixbuf_finalize(pixbuf);
return img;
}
int
fb_draw_image(IMAGE * img, int x, int y, int sx, int sy, int width, int height)
void
draw(FB_IMAGE * img, GdkPixbuf * pixbuf)
{
int i, j, r, g, b, offset, bpp;
int i, j, r, g, b, offset, bpp, rowstride;
guchar *pixels;
gboolean alpha;
if (img == NULL)
return 1;
if (img == NULL || pixbuf == NULL)
return;
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);
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++) {
offset = j * rowstride;
for (i = 0; i < img->width; 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_pset(i + x - sx, j + y - sy, r, g, b);
fb_image_pset(img, i, j, r, g, b);
}
}
return 0;
return;
}
int
fb_resize_image(IMAGE * img, int width, int height)
static GdkPixbuf *
resize_image(GdkPixbuf * pixbuf, int width, int height)
{
GdkPixbuf *pixbuf;
if (width < 1 || height < 1 || img == NULL)
return 1;
GdkPixbuf * resized_pixbuf;
int w, h;
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)
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 =
gdk_pixbuf_scale_simple(pixbuf, width, height, GDK_INTERP_HYPER);
gdk_pixbuf_finalize(pixbuf);
if (resized_pixbuf == 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);
return resized_pixbuf;
}