void render_text(char * text, int button_x, int button_y, int * button_w, int * button_h) { Imlib_Image buffer; int text_w, text_h; /* query the size it will be */ imlib_get_text_size(text, &text_w, &text_h); *button_w = text_w + pad_width; *button_h = text_height + pad_height; /* create our buffer image for rendering this update */ buffer = imlib_create_image(*button_w, *button_h); if ( buffer == NULL ) { fprintf(stderr, "Null buffer First\n"); return; } imlib_context_set_image(buffer); imlib_context_set_color(tag_color.red,tag_color.green,tag_color.blue,tag_color.alpha); imlib_image_fill_rectangle(0,0, *button_w, *button_h); imlib_context_set_color(255, 255, 255, 255); imlib_text_draw(pad_width/2, pad_height/2, text); imlib_render_image_on_drawable(button_x, button_y); imlib_free_image(); }
static inline PyObject * ImageObject_draw_rectangle(PyObject* self, PyObject *args, PyObject *kwargs) { int x, y, w, h; int r=-1, g, b, alpha, fill=0; static char *keywords[] = {"x", "y", "w", "h", "color", "fill", NULL}; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "iiii|(iiii)i:draw_rectangle", keywords, &x, &y, &w, &h, &r, &g, &b, &alpha, &fill)){ return NULL; } imlib_context_set_image(((ImageObject *)self)->image); if(r >= 0){ //set color imlib_context_set_color(r, g, b, alpha); } DEBUG("fill %d", fill); if(fill){ imlib_image_fill_rectangle(x, y, w, h); }else{ imlib_image_draw_rectangle(x, y, w, h); } Py_RETURN_NONE; }
void gib_imlib_image_fill_rectangle(Imlib_Image im, int x, int y, int w, int h, int r, int g, int b, int a) { imlib_context_set_image(im); imlib_context_set_color(r, g, b, a); imlib_image_fill_rectangle(x, y, w, h); }
void render_present() { update_bg(); #ifdef WITH_COMPOSITE if (theme->use_composite) { /* * Because XRender can't do directly SRCc * SRCa + DSTc * (1 - SRCa) blending, * I must apply SRCa to my SRCc manually. To do this I'm using PictOpSrc with * alpha channel in mask. So, I need to copy RGB data to one buffer (color) and * Alpha to another buffer (mask), then use them in XRenderComposite. * * But I think in can be done on theme loading stage. Just apply SRCa to SRCc * immediately. Optimization? */ /* copy color part to bbcolor */ imlib_context_set_image(bbcolor); imlib_image_set_has_alpha(1); imlib_context_set_color(0,0,0,255); imlib_image_fill_rectangle(0,0,bbwidth,bbheight); imlib_blend_image_onto_image(bb,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight); imlib_context_set_drawable(pixcolor); imlib_render_image_on_drawable(0,0); /* copy alpha part to bbalpha */ imlib_context_set_image(bbalpha); imlib_image_copy_alpha_to_image(bb,0,0); imlib_image_set_has_alpha(1); imlib_context_set_drawable(pixalpha); imlib_render_image_on_drawable(0,0); XRenderComposite(bbdpy, PictOpSrc, piccolor, picalpha, rootpic, 0, 0, 0, 0, 0, 0, bbwidth, bbheight); } else #endif if (*rootpmap) { imlib_context_set_image(bbcolor); imlib_blend_image_onto_image(bg,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight); imlib_context_set_blend(1); imlib_blend_image_onto_image(bb,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight); imlib_context_set_blend(0); imlib_context_set_drawable(bbwin); imlib_render_image_on_drawable(0,0); } else { imlib_context_set_drawable(bbwin); imlib_context_set_image(bb); imlib_render_image_on_drawable(0,0); } }
static void render_checkerboard() { /* create the checkerboard texture, if not already done. */ static Pixmap checks_pmap = None; Imlib_Image checks = NULL; if (checks_pmap == None) { checks = imlib_create_image(16, 16); if (!checks) { fputs("Unable to create a teeny weeny imlib image. I detect problems\n", stderr); } imlib_context_set_image(checks); imlib_context_set_color(144, 144, 144, 255); imlib_image_fill_rectangle(0, 0, 16, 16); imlib_context_set_color(100, 100, 100, 255); imlib_image_fill_rectangle(0, 0, 8, 8); imlib_image_fill_rectangle(8, 8, 8, 8); checks_pmap = XCreatePixmap(x11.display, x11_window, 16, 16, x11.depth); imlib_context_set_drawable(checks_pmap); imlib_render_image_on_drawable(0, 0); imlib_free_image_and_decache(); } /* and plot the checkerboards onto the pixmap */ static GC gc = None; XGCValues gcval; if (gc == None) { gcval.tile = checks_pmap; gcval.fill_style = FillTiled; gc = XCreateGC(x11.display, x11_window, GCTile | GCFillStyle, &gcval); } XFillRectangle(x11.display, window_pixmap, gc, 0, 0, s_view.win_width, s_view.win_height); }
static tvalue im2_blank_image(struct sequ_image *img) { if(!img) return FALSE; imlib_context_set_image((Imlib_Image)img->privdata); imlib_context_set_color(0,0,0,255); imlib_image_fill_rectangle(0,0,img->width,img->height); return TRUE; }
void BubbleRectangle::writeImage() const { int fontsize = static_cast<int>(font->size);//todo bgcolor->use(); imlib_image_fill_rectangle(x0, y0, width, height); // Text schreiben string rest = text; int txtheight = 0.8*fontsize; font->use(); while(rest.length() > 0) { if (txtheight > height) { std::cerr<< "Error: text does not fit, aborting: "<< text <<".\n"; break; } rest = drawTextLine(x0, y0+txtheight, rest, width, txtheight/(float)width, false); txtheight += fontsize*1.7; } }
Imlib_Image scale_icon(Imlib_Image original, int icon_size) { Imlib_Image icon_scaled; if (original) { imlib_context_set_image (original); icon_scaled = imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), icon_size, icon_size); imlib_context_set_image (icon_scaled); imlib_image_set_has_alpha(1); DATA32* data = imlib_image_get_data(); adjust_asb(data, icon_size, icon_size, launcher_alpha, (float)launcher_saturation/100, (float)launcher_brightness/100); imlib_image_put_back_data(data); } else { icon_scaled = imlib_create_image(icon_size, icon_size); imlib_context_set_image (icon_scaled); imlib_context_set_color(255, 255, 255, 255); imlib_image_fill_rectangle(0, 0, icon_size, icon_size); } return icon_scaled; }
Imlib_Image Get_Image_from_ImgArray(struct CamGrab_t* CG) { int localMostRecent; if (CG->MostRecent < 0) { //create dummy image to display CG->LastDisplayedImage = imlib_create_image(640, 480); imlib_context_set_image(CG->LastDisplayedImage); imlib_context_set_color(128, 128, 128, 255); imlib_image_fill_rectangle(0, 0, 640, 480); } else { //grab threads have started receiving images from rover pthread_mutex_lock(&CG->MostRecentLock); localMostRecent = CG->MostRecent; pthread_mutex_lock(&CG->ImgArrayLock[CG->MostRecent]); pthread_mutex_unlock(&CG->MostRecentLock); imlib_context_set_image(*CG->ImgArray[localMostRecent]); CG->LastDisplayedImage = imlib_clone_image(); CG->LastDisplayed = localMostRecent; pthread_mutex_unlock(&CG->ImgArrayLock[localMostRecent]); } return CG->LastDisplayedImage; }
static int progress(Imlib_Image im, char percent, int update_x, int update_y, int update_w, int update_h) { /* first time it's called */ imlib_context_set_drawable(pm); imlib_context_set_anti_alias(0); imlib_context_set_dither(0); imlib_context_set_blend(0); if (image_width == 0) { int x, y, onoff; imlib_context_set_image(im); image_width = imlib_image_get_width(); image_height = imlib_image_get_height(); if (pm) XFreePixmap(disp, pm); pm = XCreatePixmap(disp, win, image_width, image_height, depth); imlib_context_set_drawable(pm); if (bg_im) { imlib_context_set_image(bg_im); imlib_free_image_and_decache(); } bg_im = imlib_create_image(image_width, image_height); imlib_context_set_image(bg_im); for (y = 0; y < image_height; y += 8) { onoff = (y / 8) & 0x1; for (x = 0; x < image_width; x += 8) { if (onoff) imlib_context_set_color(144, 144, 144, 255); else imlib_context_set_color(100, 100, 100, 255); imlib_image_fill_rectangle(x, y, 8, 8); onoff++; if (onoff == 2) onoff = 0; } } imlib_render_image_part_on_drawable_at_size(0, 0, image_width, image_height, 0, 0, image_width, image_height); XSetWindowBackgroundPixmap(disp, win, pm); XResizeWindow(disp, win, image_width, image_height); XMapWindow(disp, win); XSync(disp, False); } imlib_context_set_anti_alias(0); imlib_context_set_dither(0); imlib_context_set_blend(1); imlib_blend_image_onto_image(im, 0, update_x, update_y, update_w, update_h, update_x, update_y, update_w, update_h); imlib_context_set_blend(0); imlib_render_image_part_on_drawable_at_size(update_x, update_y, update_w, update_h, update_x, update_y, update_w, update_h); XSetWindowBackgroundPixmap(disp, win, pm); XClearArea(disp, win, update_x, update_y, update_w, update_h, False); XFlush(disp); return 1; }
int main(int argc, char **argv) { int w, h, tw, th; Imlib_Image im_bg = NULL; XEvent ev; KeySym keysym; static char kbuf[20]; Imlib_Font font; Imlib_Color_Range range; const char *display_name = getenv("DISPLAY"); /** * First tests to determine which rendering task to perform */ if (display_name == NULL) display_name = ":0"; disp = XOpenDisplay(display_name); if (disp == NULL) { fprintf(stderr, "Can't open display %s\n", display_name); return 1; } vis = DefaultVisual(disp, DefaultScreen(disp)); depth = DefaultDepth(disp, DefaultScreen(disp)); cm = DefaultColormap(disp, DefaultScreen(disp)); win = XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0, 0); XSelectInput(disp, win, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | PointerMotionMask | ExposureMask | KeyPressMask); XMapWindow(disp, win); /** * Start rendering */ imlib_set_font_cache_size(512 * 1024); imlib_add_path_to_font_path(PACKAGE_DATA_DIR"/data/fonts"); imlib_context_set_display(disp); imlib_context_set_visual(vis); imlib_context_set_colormap(cm); imlib_context_set_drawable(win); imlib_context_set_blend(0); imlib_context_set_color_modifier(NULL); imlib_context_set_blend(0); im_bg = imlib_create_image(600, 400); imlib_context_set_image(im_bg); w = imlib_image_get_width(); h = imlib_image_get_height(); imlib_context_set_color(128, 128, 255, 255); imlib_image_fill_rectangle(0, 0, w, h); XResizeWindow(disp, win, w, h); XSync(disp, False); while (1) { do { XNextEvent(disp, &ev); switch (ev.type) { case ButtonRelease: exit(0); break; case KeyPress: XLookupString(&ev.xkey, (char *)kbuf, sizeof(kbuf), &keysym, NULL); switch (*kbuf) { case 'q': exit(0); default: break; } break; default: break; } } while (XPending(disp)); imlib_context_set_image(im_bg); imlib_context_set_color(128, 128, 255, 255); imlib_image_fill_rectangle(0, 0, w, h); imlib_context_set_color(0, 0, 0, 255); imlib_image_draw_rectangle(20, 20, 560, 140); imlib_image_draw_rectangle(20, 220, 560, 140); font = imlib_load_font("notepad/15"); if (font) { char text[4096]; imlib_context_set_font(font); imlib_context_set_color(0, 0, 0, 255); sprintf(text, "RGBA range, 2 points, from red to magenta"); imlib_get_text_size(text, &tw, &th); imlib_text_draw(300 - tw / 2, 180 - th / 2, text); sprintf(text, "HSVA range, 2 points, from red to magenta"); imlib_get_text_size(text, &tw, &th); imlib_text_draw(300 - tw / 2, 380 - th / 2, text); imlib_free_font(); } /* Draw rectangle w/ RGBA gradient */ range = imlib_create_color_range(); imlib_context_set_color_range(range); imlib_context_set_color(255, 0, 0, 255); imlib_add_color_to_color_range(0); imlib_context_set_color(255, 0, 255, 255); imlib_add_color_to_color_range(20); imlib_image_fill_color_range_rectangle(21, 21, 558, 138, -90.0); imlib_free_color_range(); /* Draw rectangle w/ HSVA gradient */ range = imlib_create_color_range(); imlib_context_set_color_range(range); imlib_context_set_color_hsva(0, 1, 1, 255); imlib_add_color_to_color_range(0); imlib_context_set_color_hsva(300, 1, 1, 255); imlib_add_color_to_color_range(20); imlib_image_fill_hsva_color_range_rectangle(21, 221, 558, 138, -90.0); imlib_free_color_range(); imlib_render_image_on_drawable(0, 0); } return 0; }
void Resources::reloadWallpaper() { if (!_wallpaper) delete _wallpaper; Window rootWindow = XTools::rootWindow(); XWindowAttributes attrs; XGetWindowAttributes(_dpy, rootWindow, &attrs); int width = attrs.width; int height = attrs.height; _wallpaper = new Image(_dpy, width, height, attrs.depth); printf("Loading background from '%s'\n", Settings::instance()->backgroundFilename()); printf("Background mode: %d\n", Settings::instance()->backgroundMode()); imlib_context_set_display(_dpy); int bgXpos = 0; int bgYpos = 0; Imlib_Image background = imlib_load_image(Settings::instance()->backgroundFilename()); if (background == 0) { printf("Cannot load background\n"); printf("rgb = (%d, %d, %d)\n", _backgroundColor.red / 256, _backgroundColor.green / 256, _backgroundColor.blue / 256 ); background = imlib_create_image(width, height); imlib_context_set_image(background); imlib_context_set_color( _backgroundColor.red / 256, _backgroundColor.green / 256, _backgroundColor.blue / 256, 255 ); imlib_image_fill_rectangle(0, 0, width, height); } else { Imlib_Image bgToDraw = 0; imlib_context_set_image(background); switch (Settings::instance()->backgroundMode()) { case Settings::Stretched: { bgToDraw = imlib_create_cropped_scaled_image( 0, 0, imlib_image_get_width(), imlib_image_get_height(), width, height ); break; } case Settings::Centered: { // Hildon's logic is not so easy in this case // bgToDraw = imlib_create_cropped_image( // (imlib_image_get_width() - width) / 2, // (imlib_image_get_height()- height) / 2, // width, height // ); double scalex = 1.0; double scaley = 1.0; if (imlib_image_get_width() > width * 2) scalex = (double)imlib_image_get_width() / 2.0 / width; if (imlib_image_get_height() > height * 2) scaley = (double)imlib_image_get_height() / 2.0 / height; double scale = scalex; if (scaley > scale) scale = scaley; int newwidth = (int)(scale * width); int newheight= (int)(scale * height); bgToDraw = imlib_create_cropped_scaled_image( (imlib_image_get_width() - newwidth) / 2, (imlib_image_get_height()- newheight)/ 2, newwidth, newheight, width, height ); break; } case Settings::Scaled: case Settings::Cropped: { double scalex = (double)width / imlib_image_get_width(); double scaley = (double)height / imlib_image_get_height(); double scale = scalex; if (Settings::instance()->backgroundMode() == Settings::Scaled) { if (scaley < scale) scale = scaley; } else { if (scaley > scale) scale = scaley; } int newwidth = (int)(imlib_image_get_width() * scale); int newheight= (int)(imlib_image_get_height() * scale); bgToDraw = imlib_create_cropped_scaled_image( 0, 0, imlib_image_get_width(), imlib_image_get_height(), newwidth, newheight ); bgXpos = (width - newwidth) / 2; bgYpos = (height - newheight) / 2; break; } default: printf("Unknown background mode: %d\n", Settings::instance()->backgroundMode()); } imlib_free_image(); imlib_context_set_image(bgToDraw); } imlib_context_set_drawable(_wallpaper->pixmap()); imlib_context_set_visual(DefaultVisual(_dpy, DefaultScreen(_dpy))); imlib_render_image_on_drawable(bgXpos, bgYpos); imlib_free_image(); }
ngx_int_t ngx_http_small_light_imlib2_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx) { ngx_http_small_light_imlib2_ctx_t *ictx; ngx_http_small_light_image_size_t sz; Imlib_Image image_org, image_dst, image_tmp; Imlib_Load_Error err; ngx_file_info_t fi; ngx_fd_t fd; char *filename, *sharpen, *blur, *of, *buf; void *data; int w, h, radius, orientation; double iw, ih, q; ngx_int_t type; const char *ext; ssize_t size; ictx = (ngx_http_small_light_imlib2_ctx_t *)ctx->ictx; filename = (char *)ictx->tf->file.name.data; /* adjust image size */ ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0); if (sz.jpeghint_flg != 0) { if (ngx_http_small_light_load_jpeg((void**)&data, &w, &h, r, filename, sz.dw, sz.dh) != NGX_OK) { image_org = imlib_load_image_immediately_without_cache(filename); if (image_org == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to load image %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } } else { image_org = imlib_create_image_using_data(w, h, data); } } else { image_org = imlib_load_image_immediately_without_cache(filename); if (image_org == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to load image %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } } /* rotate. */ if (sz.angle) { orientation = 0; switch (sz.angle) { case 90: orientation = 1; break; case 180: orientation = 2; break; case 270: orientation = 3; break; default: ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "image not rotated. 'angle'(%d) must be 90 or 180 or 270. %s:%d", sz.angle, __FUNCTION__, __LINE__); break; } imlib_context_set_image(image_org); imlib_image_orientate(orientation); } /* calc size. */ imlib_context_set_image(image_org); iw = (double)imlib_image_get_width(); ih = (double)imlib_image_get_height(); ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih); /* pass through. */ if (sz.pt_flg != 0) { ctx->of = ctx->inf; return NGX_OK; } /* crop, scale. */ if (sz.scale_flg != 0) { image_dst = imlib_create_cropped_scaled_image((int)sz.sx, (int)sz.sy, (int)sz.sw, (int)sz.sh, (int)sz.dw, (int)sz.dh); imlib_context_set_image(image_org); imlib_free_image(); } else { image_dst = image_org; } if (image_dst == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "imlib_create_cropped_scaled_image failed. %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } /* create canvas then draw image to the canvas. */ if (sz.cw > 0.0 && sz.ch > 0.0) { image_tmp = imlib_create_image(sz.cw, sz.ch); if (image_tmp == NULL) { imlib_context_set_image(image_dst); imlib_free_image(); return NGX_ERROR; } imlib_context_set_image(image_tmp); imlib_context_set_color(sz.cc.r, sz.cc.g, sz.cc.b, sz.cc.a); imlib_image_fill_rectangle(0, 0, sz.cw, sz.ch); imlib_blend_image_onto_image(image_dst, 255, 0, 0, (int)sz.dw, (int)sz.dh, (int)sz.dx, (int)sz.dy, (int)sz.dw, (int)sz.dh); imlib_context_set_image(image_dst); imlib_free_image(); image_dst = image_tmp; } /* effects. */ sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen"); if (sharpen) { radius = ngx_http_small_light_parse_int(sharpen); if (radius > 0) { imlib_context_set_image(image_dst); imlib_image_sharpen(radius); } } blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur"); if (blur) { radius = ngx_http_small_light_parse_int(blur); if (radius > 0) { imlib_context_set_image(image_dst); imlib_image_blur(radius); } } /* border. */ if (sz.bw > 0.0 || sz.bh > 0.0) { imlib_context_set_color(sz.bc.r, sz.bc.g, sz.bc.b, sz.bc.a); imlib_context_set_image(image_dst); if (sz.cw > 0.0 && sz.ch > 0.0) { imlib_image_fill_rectangle(0, 0, sz.cw, sz.bh); imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch); imlib_image_fill_rectangle(0, sz.ch - sz.bh, sz.cw, sz.bh); imlib_image_fill_rectangle(sz.cw - sz.bw, 0, sz.bw, sz.ch); } else { imlib_image_fill_rectangle(0, 0, sz.dw, sz.bh); imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch); imlib_image_fill_rectangle(0, sz.dh - sz.bh, sz.dw, sz.bh); imlib_image_fill_rectangle(sz.dw - sz.bw, 0, sz.bw, sz.dh); } } /* set params. */ imlib_context_set_image(image_dst); q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q")); if (q > 0.0) { imlib_image_attach_data_value("quality", NULL, q, NULL); } of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of"); if (ngx_strlen(of) > 0) { type = ngx_http_small_light_type(of); if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "of is invalid(%s) %s:%d", of, __FUNCTION__, __LINE__); of = (char *)ngx_http_small_light_image_exts[ictx->type - 1]; } else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "WebP is not supported %s:%d", __FUNCTION__, __LINE__); of = (char *)ngx_http_small_light_image_exts[ictx->type - 1]; } else { ictx->type = type; } imlib_image_set_format(of); ctx->of = ngx_http_small_light_image_types[ictx->type - 1]; } else { ext = ngx_http_small_light_image_exts[ictx->type - 1]; imlib_image_set_format(ext); ctx->of = ctx->inf; } /* save image. */ imlib_save_image_with_error_return(filename, &err); imlib_free_image(); /* check error. */ if (err != IMLIB_LOAD_ERROR_NONE) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to imlib_save_error %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } if (ngx_file_info(filename, &fi) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to ngx_file_info %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } fd = ngx_open_file(filename, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); if (fd == NGX_INVALID_FILE) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to open fd %s:%d", __FUNCTION__, __LINE__); return NGX_ERROR; } if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to ngx_fd_info %s:%d", __FUNCTION__, __LINE__); ngx_close_file(fd); return NGX_ERROR; } buf = ngx_palloc(r->pool, ngx_file_size(&fi)); if (buf == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to allocate memory from r->pool %s:%d", __FUNCTION__, __LINE__); ngx_close_file(fd); return NGX_ERROR; } size = ngx_read_fd(fd, buf, ngx_file_size(&fi)); if (size == -1) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to ngx_read_fd %s:%d", __FUNCTION__, __LINE__); ngx_close_file(fd); return NGX_ERROR; } if ((size_t)size > ctx->content_length) { ctx->content = ngx_palloc(r->pool, size); if (ctx->content == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "failed to allocate memory from r->pool %s:%d", __FUNCTION__, __LINE__); ngx_close_file(fd); return NGX_ERROR; } } ngx_memcpy(ctx->content, buf, size); ngx_close_file(fd); ctx->content_length = size; return NGX_OK; }
int main(int argc, char **argv) { int w, h; Imlib_Image im_bg = NULL; XEvent ev; KeySym keysym; static char kbuf[20]; ImlibPolygon poly, poly1, poly2; const char *display_name = getenv("DISPLAY"); /** * First tests to determine which rendering task to perform */ if (display_name == NULL) display_name = ":0"; disp = XOpenDisplay(display_name); if (disp == NULL) { fprintf(stderr, "Can't open display %s\n", display_name); return 1; } vis = DefaultVisual(disp, DefaultScreen(disp)); depth = DefaultDepth(disp, DefaultScreen(disp)); cm = DefaultColormap(disp, DefaultScreen(disp)); win = XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0, 0); XSelectInput(disp, win, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | PointerMotionMask | ExposureMask | KeyPressMask); XMapWindow(disp, win); /** * Start rendering */ imlib_context_set_display(disp); imlib_context_set_visual(vis); imlib_context_set_colormap(cm); imlib_context_set_drawable(win); imlib_context_set_blend(0); imlib_context_set_color_modifier(NULL); imlib_context_set_blend(0); im_bg = imlib_create_image(400, 400); imlib_context_set_image(im_bg); w = imlib_image_get_width(); h = imlib_image_get_height(); imlib_context_set_color(0, 0, 0, 255); imlib_image_fill_rectangle(0, 0, w, h); XResizeWindow(disp, win, w, h); XSync(disp, False); poly = imlib_polygon_new(); imlib_polygon_add_point(poly, 20, 20); imlib_polygon_add_point(poly, 70, 20); imlib_polygon_add_point(poly, 70, 70); imlib_polygon_add_point(poly, 20, 70); poly1 = imlib_polygon_new(); imlib_polygon_add_point(poly1, 100, 20); imlib_polygon_add_point(poly1, 190, 100); imlib_polygon_add_point(poly1, 120, 70); poly2 = imlib_polygon_new(); imlib_polygon_add_point(poly2, 290, 20); imlib_polygon_add_point(poly2, 200, 100); imlib_polygon_add_point(poly2, 270, 70); while (1) { do { XNextEvent(disp, &ev); switch (ev.type) { case ButtonRelease: exit(0); break; case KeyPress: XLookupString(&ev.xkey, (char *)kbuf, sizeof(kbuf), &keysym, NULL); switch (*kbuf) { case ' ': imlib_context_set_anti_alias (!imlib_context_get_anti_alias()); printf("AA is %s\n", imlib_context_get_anti_alias()? "on" : "off"); break; case 'q': exit(0); default: break; } break; default: break; } } while (XPending(disp)); imlib_context_set_image(im_bg); imlib_context_set_color(0, 0, 0, 255); imlib_image_fill_rectangle(0, 0, w, h); imlib_context_set_color(255, 255, 255, 255); imlib_image_fill_polygon(poly); imlib_image_fill_polygon(poly1); imlib_image_fill_polygon(poly2); imlib_render_image_on_drawable(0, 0); } return 0; }
int main (int argc, char **argv) { Visual *vis; Colormap cm; Display *_display; Imlib_Context context; Imlib_Image image; Pixmap pixmap; Imlib_Color_Modifier modifier = NULL; _display = XOpenDisplay (NULL); int width, height, depth, i, alpha; char str1[40]; char str2[40]; char str3[40]; char str4[40]; char str5[40]; int ck0; int w, h; w = 0; h = 0; char strA1[30] = "hwe"; char strA2[30] = "hwer"; const char jpg[15] = "jpg"; //1 const char png[15] = "png"; //2 char *A1; char *A2; strcpy(strA1, argv[argc-1]); strcpy(strA2, strA1); A1 = strstr(strA1, jpg); A2 = strstr(strA2, png); //check to be sure image format is written right or abort checkForNull(A1, A2); for (screen = 0; screen < ScreenCount (_display); screen++) { display = XOpenDisplay (NULL); context = imlib_context_new (); imlib_context_push (context); imlib_context_set_display (display); vis = DefaultVisual (display, screen); cm = DefaultColormap (display, screen); width = DisplayWidth (display, screen); height = DisplayHeight (display, screen); depth = DefaultDepth (display, screen); pixmap = XCreatePixmap (display, RootWindow (display, screen), width, height, depth); imlib_context_set_visual (vis); imlib_context_set_colormap (cm); imlib_context_set_drawable (pixmap); imlib_context_set_color_range (imlib_create_color_range ()); image = imlib_create_image (width, height); imlib_context_set_image (image); printf("1\n"); imlib_context_set_color (0, 0, 0, 255); imlib_image_fill_rectangle (0, 0, width, height); imlib_context_set_dither (1); imlib_context_set_blend (1); printf("2\n"); alpha = 255; for (i = 1; i < argc; i++) { if (modifier != NULL) { imlib_apply_color_modifier (); imlib_free_color_modifier (); } modifier = imlib_create_color_modifier (); imlib_context_set_color_modifier (modifier); if (strcmp (argv[i], "-alpha") == 0) { if ((++i) >= argc) { fprintf (stderr, "Missing alpha\n"); continue; } if (sscanf (argv[i], "%i", &alpha) == 0) { fprintf (stderr, "Bad alpha (%s)\n", argv[i]); continue; } } else if (strcmp (argv[i], "-solid") == 0) { Color c; if ((++i) >= argc) { fprintf (stderr, "Missing color\n"); continue; } if (parse_color (argv[i], &c, alpha) == 1) { fprintf (stderr, "Bad color (%s)\n", argv[i]); continue; } imlib_context_set_color (c.r, c.g, c.b, c.a); imlib_image_fill_rectangle (0, 0, width, height); } else if (strcmp (argv[i], "-clear") == 0) { imlib_free_color_range (); imlib_context_set_color_range (imlib_create_color_range ()); } else if (strcmp (argv[i], "-add") == 0) { Color c; if ((++i) >= argc) { fprintf (stderr, "Missing color\n"); continue; } if (parse_color (argv[i], &c, alpha) == 1) { fprintf (stderr, "Bad color (%s)\n", argv[i - 1]); continue; } imlib_context_set_color (c.r, c.g, c.b, c.a); imlib_add_color_to_color_range (1); } else if (strcmp (argv[i], "-addd") == 0) { Color c; int distance; if ((++i) >= argc) { fprintf (stderr, "Missing color\n"); continue; } if ((++i) >= argc) { fprintf (stderr, "Missing distance\n"); continue; } if (parse_color (argv[i - 1], &c, alpha) == 1) { fprintf (stderr, "Bad color (%s)\n", argv[i - 1]); continue; } if (sscanf (argv[i], "%i", &distance) == 1) { fprintf (stderr, "Bad distance (%s)\n", argv[i]); continue; } imlib_context_set_color (c.r, c.g, c.b, c.a); imlib_add_color_to_color_range (distance); } else if (strcmp (argv[i], "-gradient") == 0) { int angle; if ((++i) >= argc) { fprintf (stderr, "Missing angle\n"); continue; } if (sscanf (argv[i], "%i", &angle) == 1) { fprintf (stderr, "Bad angle (%s)\n", argv[i]); continue; } imlib_image_fill_color_range_rectangle (0, 0, width, height, angle); } else if (strcmp (argv[i], "-fill") == 0) { if ((++i) >= argc) { fprintf (stderr, "Missing image\n"); continue; } if ( load_Mod_image(Fill, argv[i], width, height, alpha, image, ck0) == 1) { fprintf (stderr, "Bad image (%s)\n", argv[i]); continue; } } else if (strcmp (argv[i], "-dia") == 0) { if((++i) >= argc) { fprintf(stderr, "missing Dia, and Image\n"); continue; } strcpy (str1, argv[i]); strcpy (str2, str1); if ( findX(str1, &w, &h) == 1 ) { fprintf(stderr, " Bad Format\n"); continue; } else if (findX(str2, &w, &h) == 0 && ((++i) >= argc)) { fprintf(stderr, "Missing Image\n"); continue; } else { //if format is correct then assign a number for //load_Mod_Image to check ck0 = -2; w = w; h = h; } if( load_Mod_image(Dia, argv[i], w, h, alpha, image, ck0) == 1 ) { fprintf(stderr, "Bad Image or Bad Image Dimensions \n"); } } else if (strcmp (argv[i], "-tile") == 0) { if ((++i) >= argc) { fprintf(stderr, "format 0 missing \n"); continue; } strcpy (str1, argv[i]); strcpy (str2, str1); strcpy (str3, str2); strcpy (str4, str3); strcpy (str5, str4); if ( findX(str1, &w, &h) == 3 && ((++i) >= argc)) { fprintf(stderr, "missing Image\n"); continue; } //check to see if format is -tile 0 else if (findX(str2, &w, &h) == 3) { ck0 = 3; if( load_Mod_image(Tile, argv[i], width, height, alpha, image, ck0) == 1 ) { fprintf(stderr, "Bad Image or Bad Image Dimensions \n"); continue; } } if (findX(str3, &w, &h) == 1) { fprintf(stderr, "bad format\n"); continue; } if (findX(str4, &w, &h) == 0 && ((++i) >= argc)) { fprintf(stderr, "missing something again\n"); continue; } if (findX (str5, &w, &h) == 0 ) { ck0 = 2; w = w; h = h; } if( load_Mod_image(Tile, argv[i], w, h, alpha, image, ck0) == 1 ) { fprintf(stderr, "Bad Image or Bad Image Dimension\n"); } } else if (strcmp (argv[i], "-center") == 0) { if ((++i) >= argc) { fprintf (stderr, "Missing image\n"); continue; } if (load_Mod_image (Center, argv[i], width, height, alpha, image, ck0) == 1) { fprintf (stderr, "Bad image (%s)\n", argv[i]); continue; } } else if (strcmp (argv[i], "-tint") == 0) { Color c; DATA8 r[256], g[256], b[256], a[256]; int j; if ((++i) >= argc) { fprintf (stderr, "Missing color\n"); continue; } if (parse_color (argv[i], &c, 255) == 1) { fprintf (stderr, "Bad color\n"); continue; } imlib_get_color_modifier_tables (r, g, b, a); for (j = 0; j < 256; j++) { r[j] = (DATA8) (((double) r[j] / 255.0) * (double) c.r); g[j] = (DATA8) (((double) g[j] / 255.0) * (double) c.g); b[j] = (DATA8) (((double) b[j] / 255.0) * (double) c.b); } imlib_set_color_modifier_tables (r, g, b, a); } else if (strcmp (argv[i], "-blur") == 0) { int intval; if ((++i) >= argc) { fprintf (stderr, "Missing value\n"); continue; } if (sscanf (argv[i], "%i", &intval) == 1) { fprintf (stderr, "Bad value (%s)\n", argv[i]); continue; } imlib_image_blur (intval); } else if (strcmp (argv[i], "-sharpen") == 0) { int intval; if ((++i) >= argc) { fprintf (stderr, "Missing value\n"); continue; } if (sscanf (argv[i], "%i", &intval) == 1) { fprintf (stderr, "Bad value (%s)\n", argv[i]); continue; } imlib_image_sharpen (intval); } else if (strcmp (argv[i], "-contrast") == 0) { double dblval; if ((++i) >= argc) { fprintf (stderr, "Missing value\n"); continue; } if (sscanf (argv[i], "%lf", &dblval) == 1) { fprintf (stderr, "Bad value (%s)\n", argv[i]); continue; } imlib_modify_color_modifier_contrast (dblval); } else if (strcmp (argv[i], "-brightness") == 0) { double dblval; if ((++i) >= argc) { fprintf (stderr, "Missing value\n"); continue; } if (sscanf (argv[i], "%lf", &dblval) == 1) { fprintf (stderr, "Bad value (%s)\n", argv[i]); continue; } imlib_modify_color_modifier_brightness (dblval); } else if (strcmp (argv[i], "-gamma") == 0) { double dblval; if ((++i) >= argc) { fprintf (stderr, "Missing value\n"); continue; } if (sscanf (argv[i], "%lf", &dblval) == 1) { fprintf (stderr, "Bad value (%s)\n", argv[i]); continue; } imlib_modify_color_modifier_gamma (dblval); } else if (strcmp (argv[i], "-flipv") == 0) { imlib_image_flip_vertical (); } else if (strcmp (argv[i], "-fliph") == 0) { imlib_image_flip_horizontal (); } else if (strcmp (argv[i], "-flipd") == 0) { imlib_image_flip_diagonal (); } else if (strcmp (argv[i], "-write") == 0) { if ((++i) >= argc) { fprintf (stderr, "Missing filename\n"); continue; } imlib_save_image (argv[i]); } else { usage (argv[0]); imlib_free_image (); imlib_free_color_range (); if (modifier != NULL) { imlib_context_set_color_modifier (modifier); imlib_free_color_modifier (); modifier = NULL; } XFreePixmap (display, pixmap); exit (1); } // end else } // end loop off of argc if (modifier != NULL) { imlib_context_set_color_modifier (modifier); imlib_apply_color_modifier (); imlib_free_color_modifier (); modifier = NULL; } imlib_render_image_on_drawable (0, 0); imlib_free_image (); imlib_free_color_range (); if (setRootAtoms (pixmap) == 0) fprintf (stderr, "Couldn't create atoms...\n"); XKillClient (display, AllTemporary); XSetCloseDownMode (display, RetainTemporary); XSetWindowBackgroundPixmap (display, RootWindow (display, screen), pixmap); XClearWindow (display, RootWindow (display, screen)); XFlush (display); XSync (display, False); imlib_context_pop (); imlib_context_free (context); } // end for loop off screen // } // frist if statment at start of main return 0; }
/* draw background to root */ void drawbg(void) { int i, w, h, nx, ny, nh, nw, tmp; double factor; Pixmap pm; Imlib_Image tmpimg, buffer; pm = XCreatePixmap(dpy, root, sw, sh, DefaultDepth(dpy, DefaultScreen(dpy))); if(!(buffer = imlib_create_image(sw, sh))) die("Error: Cannot allocate buffer.\n"); imlib_context_set_image(buffer); imlib_image_fill_rectangle(0, 0, sw, sh); imlib_context_set_blend(1); for(i = 0; i < nmonitor; i++) { imlib_context_set_image(images[i % nimage]); w = imlib_image_get_width(); h = imlib_image_get_height(); if(!(tmpimg = imlib_clone_image())) die("Error: Cannot clone image.\n"); imlib_context_set_image(tmpimg); if(rotate && ((monitors[i].w > monitors[i].h && w < h) || (monitors[i].w < monitors[i].h && w > h))) { imlib_image_orientate(1); tmp = w; w = h; h = tmp; } imlib_context_set_image(buffer); switch(mode) { case ModeCenter: nw = (monitors[i].w - w) / 2; nh = (monitors[i].h - h) / 2; nx = monitors[i].x + (monitors[i].w - nw) / 2; ny = monitors[i].y + (monitors[i].h - nh) / 2; break; case ModeZoom: nw = monitors[i].w; nh = monitors[i].h; if(w > h && (w / h > (monitors[i].w / monitors[i].h))) { nx = monitors[i].x + (monitors[i].w - nw) / 2; ny = monitors[i].y + (int)ceil(h * nx / w) / 2; } else { ny = monitors[i].y + (monitors[i].h - nh) / 2; nx = monitors[i].x + (int)ceil(w * ny / h) / 2; } break; default: /* ModeScale */ factor = MAX((double)w / monitors[i].w, (double)h / monitors[i].h); nw = w / factor; nh = h / factor; nx = monitors[i].x + (monitors[i].w - nw) / 2; ny = monitors[i].y + (monitors[i].h - nh) / 2; } imlib_blend_image_onto_image(tmpimg, 0, 0, 0, w, h, nx, ny, nw, nh); imlib_context_set_image(tmpimg); imlib_free_image(); } imlib_context_set_blend(0); imlib_context_set_image(buffer); imlib_context_set_drawable(root); imlib_render_image_on_drawable(0, 0); imlib_context_set_drawable(pm); imlib_render_image_on_drawable(0, 0); XSetWindowBackgroundPixmap(dpy, root, pm); imlib_context_set_image(buffer); imlib_free_image_and_decache(); XFreePixmap(dpy, pm); }