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authorTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:18:09 +0000
committerTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:18:09 +0000
commit5f8e0f8ef9a422691dd72e8a953a42a41478fcb4 (patch)
tree4b2df4796a534793648b3c4fc532fc36bd0cd525 /w3mimg/x11/x11_w3mimg.c
parentReleasing debian version 0.3-2.4 (diff)
downloadw3m-debian/0.5.1-1.tar.gz
w3m-debian/0.5.1-1.zip
Releasing debian version 0.5.1-1debian/0.5.1-1
Diffstat (limited to 'w3mimg/x11/x11_w3mimg.c')
-rw-r--r--w3mimg/x11/x11_w3mimg.c723
1 files changed, 723 insertions, 0 deletions
diff --git a/w3mimg/x11/x11_w3mimg.c b/w3mimg/x11/x11_w3mimg.c
new file mode 100644
index 0000000..8c9cef2
--- /dev/null
+++ b/w3mimg/x11/x11_w3mimg.c
@@ -0,0 +1,723 @@
+/* $Id: x11_w3mimg.c,v 1.25 2003/07/13 16:19:10 ukai Exp $ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "config.h"
+
+#if defined(USE_IMLIB)
+#include <Imlib.h>
+#elif defined(USE_IMLIB2)
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <Imlib2.h>
+#elif defined(USE_GDKPIXBUF)
+#include <gdk-pixbuf/gdk-pixbuf-xlib.h>
+#else
+#error no Imlib and GdkPixbuf support
+#endif
+
+#include "w3mimg/w3mimg.h"
+
+#define OFFSET_X 2
+#define OFFSET_Y 2
+
+struct x11_info {
+ Display *display;
+ Window window, parent;
+ unsigned long background_pixel;
+ GC imageGC;
+#if defined(USE_IMLIB)
+ ImlibData *id;
+#elif defined(USE_GDKPIXBUF)
+ int init_flag;
+#endif
+};
+
+#if defined(USE_GDKPIXBUF)
+struct x11_image {
+ int total;
+ int no;
+ int wait;
+ int delay;
+ Pixmap *pixmap;
+};
+
+static void
+get_animation_size(GdkPixbufAnimation * animation, int *w, int *h, int *delay)
+{
+ GList *frames;
+ int iw, ih, n, i, d = -1;
+
+ frames = gdk_pixbuf_animation_get_frames(animation);
+ n = gdk_pixbuf_animation_get_num_frames(animation);
+ *w = gdk_pixbuf_animation_get_width(animation);
+ *h = gdk_pixbuf_animation_get_height(animation);
+ for (i = 0; i < n; i++) {
+ GdkPixbufFrame *frame;
+ GdkPixbuf *pixbuf;
+ int tmp;
+
+ frame = (GdkPixbufFrame *) g_list_nth_data(frames, i);
+ tmp = gdk_pixbuf_frame_get_delay_time(frame);
+ if (tmp > d)
+ d = tmp;
+ pixbuf = gdk_pixbuf_frame_get_pixbuf(frame);
+ iw = gdk_pixbuf_frame_get_x_offset(frame)
+ + gdk_pixbuf_get_width(pixbuf);
+ ih = gdk_pixbuf_frame_get_y_offset(frame)
+ + gdk_pixbuf_get_height(pixbuf);
+ if (iw > *w)
+ *w = iw;
+ if (ih > *h)
+ *h = ih;
+ }
+ if (delay)
+ *delay = d;
+}
+
+#endif
+
+static int
+x11_init(w3mimg_op * self)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+#if defined(USE_IMLIB)
+ if (!xi->id) {
+ xi->id = Imlib_init(xi->display);
+ if (!xi->id)
+ return 0;
+ }
+#elif defined(USE_GDKPIXBUF)
+ if (!xi->init_flag) {
+ gdk_pixbuf_xlib_init(xi->display, 0);
+ xi->init_flag = TRUE;
+ }
+#endif
+ if (!xi->imageGC) {
+ xi->imageGC = XCreateGC(xi->display, xi->parent, 0, NULL);
+ if (!xi->imageGC)
+ return 0;
+ }
+ return 1;
+}
+
+static int
+x11_finish(w3mimg_op * self)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+ if (xi->imageGC) {
+ XFreeGC(xi->display, xi->imageGC);
+ xi->imageGC = NULL;
+ }
+ return 1;
+}
+
+static int
+x11_clear(w3mimg_op * self, int x, int y, int w, int h)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+
+ if (x < 0)
+ x = 0;
+ if (y < 0)
+ y = 0;
+
+ XClearArea(xi->display, xi->window, x, y, w, h, False);
+ return 1;
+}
+
+static int
+x11_active(w3mimg_op * self)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+ if (!xi->imageGC)
+ return 0;
+ return 1;
+}
+
+static void
+x11_set_background(w3mimg_op * self, char *background)
+{
+ XColor screen_def, exact_def;
+ struct x11_info *xi;
+ if (self == NULL)
+ return;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return;
+
+ if (background &&
+ XAllocNamedColor(xi->display, DefaultColormap(xi->display, 0),
+ background, &screen_def, &exact_def))
+ xi->background_pixel = screen_def.pixel;
+ else {
+ Pixmap p;
+ GC gc;
+ XImage *i;
+
+ p = XCreatePixmap(xi->display, xi->window, 1, 1,
+ DefaultDepth(xi->display, 0));
+ gc = XCreateGC(xi->display, xi->window, 0, NULL);
+ if (!p || !gc)
+ exit(1); /* XXX */
+ XCopyArea(xi->display, xi->window, p, gc,
+ (self->offset_x >= 1) ? (self->offset_x - 1) : 0,
+ (self->offset_y >= 1) ? (self->offset_y - 1) : 0,
+ 1, 1, 0, 0);
+ i = XGetImage(xi->display, p, 0, 0, 1, 1, -1, ZPixmap);
+ if (!i)
+ exit(1);
+ xi->background_pixel = XGetPixel(i, 0, 0);
+ XDestroyImage(i);
+ XFreeGC(xi->display, gc);
+ XFreePixmap(xi->display, p);
+ }
+}
+
+static void
+x11_sync(w3mimg_op * self)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return;
+ XSync(xi->display, False);
+}
+
+static void
+x11_close(w3mimg_op * self)
+{
+ /* XCloseDisplay(xi->display); */
+}
+
+#if defined(USE_GDKPIXBUF)
+static struct x11_image *
+x11_img_new(struct x11_info *xi, int w, int h, int n)
+{
+ struct x11_image *img = NULL;
+ int i;
+
+ img = malloc(sizeof(*img));
+ if (!img)
+ goto ERROR;
+
+ img->pixmap = calloc(n, sizeof(*(img->pixmap)));
+ if (!img->pixmap)
+ goto ERROR;
+
+ for (i = 0; i < n; i++) {
+ img->pixmap[i] = XCreatePixmap(xi->display, xi->parent, w, h,
+ DefaultDepth(xi->display, 0));
+ if (!img->pixmap[i])
+ goto ERROR;
+
+ XSetForeground(xi->display, xi->imageGC, xi->background_pixel);
+ XFillRectangle(xi->display, (Pixmap) img->pixmap[i], xi->imageGC, 0, 0,
+ w, h);
+ }
+
+ img->no = 0;
+ img->total = n;
+ img->wait = 0;
+ img->delay = -1;
+
+ return img;
+ ERROR:
+ if (img) {
+ if (img->pixmap) {
+ for (i = 0; i < n; i++) {
+ if (img->pixmap[i])
+ XFreePixmap(xi->display, (Pixmap) img->pixmap[i]);
+ }
+ free(img->pixmap);
+ }
+ free(img);
+ }
+ return NULL;
+}
+
+static GdkPixbuf *
+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 =
+ gdk_pixbuf_scale_simple(pixbuf, width, height, GDK_INTERP_BILINEAR);
+ if (resized_pixbuf == NULL)
+ return NULL;
+ return resized_pixbuf;
+}
+#endif
+
+static int
+x11_load_image(w3mimg_op * self, W3MImage * img, char *fname, int w, int h)
+{
+ struct x11_info *xi;
+#if defined(USE_IMLIB)
+ ImlibImage *im;
+#elif defined(USE_IMLIB2)
+ Imlib_Image im;
+#elif defined(USE_GDKPIXBUF)
+ GdkPixbufAnimation *animation;
+ GList *frames;
+ int i, j, iw, ih, n, frame_num, delay, max_anim;
+ double ratio_w, ratio_h;
+ struct x11_image *ximg;
+ Pixmap tmp_pixmap;
+#endif
+
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+
+#if defined(USE_IMLIB)
+ im = Imlib_load_image(xi->id, fname);
+ if (!im)
+ return 0;
+ if (w <= 0)
+ w = im->rgb_width;
+ if (h <= 0)
+ h = im->rgb_height;
+ img->pixmap = (void *)XCreatePixmap(xi->display, xi->parent, w, h,
+ DefaultDepth(xi->display, 0));
+ if (!img->pixmap)
+ return 0;
+ XSetForeground(xi->display, xi->imageGC, xi->background_pixel);
+ XFillRectangle(xi->display, (Pixmap) img->pixmap, xi->imageGC, 0, 0, w, h);
+ Imlib_paste_image(xi->id, im, (Pixmap) img->pixmap, 0, 0, w, h);
+ Imlib_kill_image(xi->id, im);
+#elif defined(USE_IMLIB2)
+ im = imlib_load_image(fname);
+ if (!im)
+ return 0;
+ imlib_context_set_image(im);
+ if (w <= 0)
+ w = imlib_image_get_width();
+ if (h <= 0)
+ h = imlib_image_get_height();
+ img->pixmap = (void *)XCreatePixmap(xi->display, xi->parent, w, h,
+ DefaultDepth(xi->display, 0));
+ if (!img->pixmap)
+ return 0;
+ XSetForeground(xi->display, xi->imageGC, xi->background_pixel);
+ XFillRectangle(xi->display, (Pixmap) img->pixmap, xi->imageGC, 0, 0, w, h);
+ imlib_context_set_display(xi->display);
+ imlib_context_set_visual(DefaultVisual(xi->display, 0));
+ imlib_context_set_colormap(DefaultColormap(xi->display, 0));
+ imlib_context_set_drawable((Drawable) img->pixmap);
+ imlib_render_image_on_drawable_at_size(0, 0, w, h);
+ imlib_free_image();
+#elif defined(USE_GDKPIXBUF)
+ max_anim = self->max_anim;
+ animation = gdk_pixbuf_animation_new_from_file(fname);
+ if (!animation)
+ return 0;
+ frames = gdk_pixbuf_animation_get_frames(animation);
+ frame_num = n = gdk_pixbuf_animation_get_num_frames(animation);
+
+ get_animation_size(animation, &iw, &ih, &delay);
+ if (delay <= 0)
+ max_anim = -1;
+
+ if (max_anim < 0) {
+ frame_num = (-max_anim > n) ? n : -max_anim;
+ }
+ else if (max_anim > 0) {
+ frame_num = n = (max_anim > n) ? n : max_anim;
+ }
+
+ if (w < 1 || h < 1) {
+ w = iw;
+ h = ih;
+ ratio_w = ratio_h = 1;
+ }
+ else {
+ ratio_w = 1.0 * w / iw;
+ ratio_h = 1.0 * h / ih;
+ }
+ tmp_pixmap = XCreatePixmap(xi->display, xi->parent, w, h,
+ DefaultDepth(xi->display, 0));
+ XFillRectangle(xi->display, (Pixmap) tmp_pixmap, xi->imageGC, 0, 0, w, h);
+ if (!tmp_pixmap) {
+ gdk_pixbuf_animation_unref(animation);
+ return 0;
+ }
+ ximg = x11_img_new(xi, w, h, frame_num);
+ if (!ximg) {
+ XFreePixmap(xi->display, tmp_pixmap);
+ gdk_pixbuf_animation_unref(animation);
+ return 0;
+ }
+ for (j = 0; j < n; j++) {
+ GdkPixbufFrame *frame;
+ GdkPixbuf *org_pixbuf, *pixbuf;
+ int width, height, ofstx, ofsty;
+
+ if (max_anim < 0) {
+ i = (j - n + frame_num > 0) ? (j - n + frame_num) : 0;
+ }
+ else {
+ i = j;
+ }
+ frame = (GdkPixbufFrame *) g_list_nth_data(frames, j);
+ org_pixbuf = gdk_pixbuf_frame_get_pixbuf(frame);
+ ofstx = gdk_pixbuf_frame_get_x_offset(frame);
+ ofsty = gdk_pixbuf_frame_get_y_offset(frame);
+ delay = gdk_pixbuf_frame_get_delay_time(frame);
+ width = gdk_pixbuf_get_width(org_pixbuf);
+ height = gdk_pixbuf_get_height(org_pixbuf);
+
+ if (ofstx == 0 && ofsty == 0 && width == w && height == h) {
+ 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);
+
+ if (delay > ximg->delay)
+ ximg->delay = delay;
+
+ XCopyArea(xi->display, tmp_pixmap, ximg->pixmap[i],
+ xi->imageGC, 0, 0, w, h, 0, 0);
+ gdk_pixbuf_xlib_render_to_drawable_alpha(pixbuf,
+ (Drawable) ximg->pixmap[i], 0,
+ 0, ofstx, ofsty, width,
+ height,
+ GDK_PIXBUF_ALPHA_BILEVEL, 1,
+ XLIB_RGB_DITHER_NORMAL, 0, 0);
+
+ switch (gdk_pixbuf_frame_get_action(frame)) {
+ case GDK_PIXBUF_FRAME_RETAIN:
+ XCopyArea(xi->display, ximg->pixmap[i], tmp_pixmap,
+ xi->imageGC, 0, 0, w, h, 0, 0);
+ break;
+ case GDK_PIXBUF_FRAME_DISPOSE:
+ break;
+ case GDK_PIXBUF_FRAME_REVERT:
+ XCopyArea(xi->display, ximg->pixmap[0], tmp_pixmap,
+ xi->imageGC, 0, 0, w, h, 0, 0);
+ break;
+ default:
+ XCopyArea(xi->display, ximg->pixmap[0], tmp_pixmap,
+ xi->imageGC, 0, 0, w, h, 0, 0);
+ break;
+ }
+
+
+ if (org_pixbuf != pixbuf)
+ gdk_pixbuf_finalize(pixbuf);
+
+ }
+ XFreePixmap(xi->display, tmp_pixmap);
+ gdk_pixbuf_animation_unref(animation);
+ img->pixmap = ximg;
+#endif
+
+ img->width = w;
+ img->height = h;
+ return 1;
+}
+
+static int
+x11_show_image(w3mimg_op * self, W3MImage * img, int sx, int sy, int sw,
+ int sh, int x, int y)
+{
+ struct x11_info *xi;
+#if defined(USE_GDKPIXBUF)
+ struct x11_image *ximg = img->pixmap;
+ int i;
+#endif
+ if (self == NULL)
+ return 0;
+
+ if (img->pixmap == NULL)
+ return 0;
+
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+
+#if defined(USE_IMLIB) || defined(USE_IMLIB2)
+ XCopyArea(xi->display, (Pixmap) img->pixmap, xi->window, xi->imageGC,
+ sx, sy,
+ (sw ? sw : img->width),
+ (sh ? sh : img->height), x + self->offset_x, y + self->offset_y);
+#elif defined(USE_GDKPIXBUF)
+#define WAIT_CNT 4
+ if (ximg->delay <= 0)
+ i = ximg->total - 1;
+ else
+ i = ximg->no;
+ XCopyArea(xi->display, ximg->pixmap[i], xi->window, xi->imageGC,
+ sx, sy,
+ (sw ? sw : img->width),
+ (sh ? sh : img->height), x + self->offset_x, y + self->offset_y);
+ if (ximg->total > 1) {
+ if (ximg->wait > WAIT_CNT) {
+ ximg->wait = 0;
+ if (i < ximg->total - 1)
+ ximg->no = i + 1;
+ else
+ ximg->no = 0;
+ }
+ ximg->wait += 1;
+ }
+#endif
+ return 1;
+}
+
+static void
+x11_free_image(w3mimg_op * self, W3MImage * img)
+{
+ struct x11_info *xi;
+ if (self == NULL)
+ return;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return;
+#if defined(USE_IMLIB) || defined(USE_IMLIB2)
+ if (img && img->pixmap) {
+ XFreePixmap(xi->display, (Pixmap) img->pixmap);
+ img->pixmap = NULL;
+ img->width = 0;
+ img->height = 0;
+ }
+#elif defined(USE_GDKPIXBUF)
+ if (img && img->pixmap) {
+ struct x11_image *ximg = img->pixmap;
+ int i, n;
+ if (ximg->pixmap) {
+ n = ximg->total;
+ for (i = 0; i < n; i++) {
+ if (ximg->pixmap[i])
+ XFreePixmap(xi->display, (Pixmap) ximg->pixmap[i]);
+ }
+ free(ximg->pixmap);
+ }
+ free(ximg);
+ img->pixmap = NULL;
+ img->width = 0;
+ img->height = 0;
+ }
+#endif
+}
+
+static int
+x11_get_image_size(w3mimg_op * self, W3MImage * img, char *fname, int *w,
+ int *h)
+{
+ struct x11_info *xi;
+#if defined(USE_IMLIB)
+ ImlibImage *im;
+#elif defined(USE_IMLIB2)
+ Imlib_Image im;
+#elif defined(USE_GDKPIXBUF)
+ GdkPixbufAnimation *animation;
+#endif
+
+ if (self == NULL)
+ return 0;
+ xi = (struct x11_info *)self->priv;
+ if (xi == NULL)
+ return 0;
+
+#if defined(USE_IMLIB)
+ im = Imlib_load_image(xi->id, fname);
+ if (!im)
+ return 0;
+
+ *w = im->rgb_width;
+ *h = im->rgb_height;
+ Imlib_kill_image(xi->id, im);
+#elif defined(USE_IMLIB2)
+ im = imlib_load_image(fname);
+ if (im == NULL)
+ return 0;
+
+ imlib_context_set_image(im);
+ *w = imlib_image_get_width();
+ *h = imlib_image_get_height();
+ imlib_free_image();
+#elif defined(USE_GDKPIXBUF)
+ animation = gdk_pixbuf_animation_new_from_file(fname);
+ if (!animation)
+ return 0;
+
+ get_animation_size(animation, w, h, NULL);
+ gdk_pixbuf_animation_unref(animation);
+#endif
+ return 1;
+}
+
+/* *INDENT-OFF* */
+/*
+ xterm/kterm/hanterm/cxterm
+ top window (WINDOWID)
+ +- text window
+ +- scrollbar
+ rxvt/aterm/Eterm/wterm
+ top window (WINDOWID)
+ +- text window
+ +- scrollbar
+ +- menubar (etc.)
+ gnome-terminal
+ top window
+ +- text window (WINDOWID)
+ +- scrollbar
+ +- menubar
+ mlterm (-s)
+ top window
+ +- text window (WINDOWID)
+ +- scrollbar
+ mlterm
+ top window = text window (WINDOWID)
+
+ powershell
+ top window
+ +- window
+ | +- text window
+ | +- scrollbar
+ +- menubar (etc.)
+ dtterm
+ top window
+ +- window
+ +- window
+ | +- window
+ | +- text window
+ | +- scrollbar
+ +- menubar
+ hpterm
+ top window
+ +- window
+ +- text window
+ +- scrollbar
+ +- (etc.)
+*/
+/* *INDENT-ON* */
+
+w3mimg_op *
+w3mimg_x11open()
+{
+ w3mimg_op *wop = NULL;
+ struct x11_info *xi = NULL;
+ char *id;
+ int revert, i;
+ unsigned int nchildren;
+ XWindowAttributes attr;
+ Window root, *children;
+
+ wop = (w3mimg_op *) malloc(sizeof(w3mimg_op));
+ if (wop == NULL)
+ return NULL;
+ memset(wop, 0, sizeof(w3mimg_op));
+
+ xi = (struct x11_info *)malloc(sizeof(struct x11_info));
+ if (xi == NULL)
+ goto error;
+ memset(xi, 0, sizeof(struct x11_info));
+
+ xi->display = XOpenDisplay(NULL);
+ if (xi->display == NULL) {
+ goto error;
+ }
+ if ((id = getenv("WINDOWID")) != NULL)
+ xi->window = (Window) atoi(id);
+ else
+ XGetInputFocus(xi->display, &xi->window, &revert);
+ if (!xi->window)
+ exit(1);
+
+ XGetWindowAttributes(xi->display, xi->window, &attr);
+ wop->width = attr.width;
+ wop->height = attr.height;
+
+ while (1) {
+ Window p_window;
+
+ XQueryTree(xi->display, xi->window, &root, &xi->parent,
+ &children, &nchildren);
+ p_window = xi->window;
+ for (i = 0; i < nchildren; i++) {
+ XGetWindowAttributes(xi->display, children[i], &attr);
+ if (attr.width > wop->width * 0.7 &&
+ attr.height > wop->height * 0.7) {
+ /* maybe text window */
+ wop->width = attr.width;
+ wop->height = attr.height;
+ xi->window = children[i];
+ }
+ }
+ if (p_window == xi->window)
+ break;
+ }
+ wop->offset_x = OFFSET_X;
+ for (i = 0; i < nchildren; i++) {
+ XGetWindowAttributes(xi->display, children[i], &attr);
+ if (attr.x <= 0 && attr.width < 30 && attr.height > wop->height * 0.7) {
+ /* scrollbar of xterm/kterm ? */
+ wop->offset_x += attr.x + attr.width + attr.border_width * 2;
+ break;
+ }
+ }
+ wop->offset_y = OFFSET_Y;
+
+ wop->priv = xi;
+
+ wop->init = x11_init;
+ wop->finish = x11_finish;
+ wop->active = x11_active;
+ wop->set_background = x11_set_background;
+ wop->sync = x11_sync;
+ wop->close = x11_close;
+ wop->clear = x11_clear;
+
+ wop->load_image = x11_load_image;
+ wop->show_image = x11_show_image;
+ wop->free_image = x11_free_image;
+ wop->get_image_size = x11_get_image_size;
+
+ return wop;
+ error:
+ if (xi)
+ free(xi);
+ free(wop);
+ return NULL;
+}