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author | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:18:09 +0000 |
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committer | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:18:09 +0000 |
commit | 5f8e0f8ef9a422691dd72e8a953a42a41478fcb4 (patch) | |
tree | 4b2df4796a534793648b3c4fc532fc36bd0cd525 /w3mimg/x11/x11_w3mimg.c | |
parent | Releasing debian version 0.3-2.4 (diff) | |
download | w3m-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 '')
-rw-r--r-- | w3mimg/x11/x11_w3mimg.c | 723 |
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; +} |