void R_init_imlib2(struct R_app *app) { imlib_context_set_display(app->display); imlib_context_set_visual(app->visual); imlib_context_set_colormap(app->colormap); imlib_context_set_blend(0); imlib_context_set_mask(0); imlib_set_cache_size(IMLIB2_CACHE_SIZE); imlib_set_font_cache_size(IMLIB2_FONT_CACHE_SIZE); imlib_add_path_to_font_path(RESURRECTION_FONT_SEARCH_PATH "ttf"); return; }
void set_font() { Imlib_Font font; /* set the font cache to 512Kb - again to avoid re-loading */ imlib_set_font_cache_size(512 * 1024); /* add the ./ttfonts dir to our font path - you'll want a notepad.ttf */ /* in that dir for the text to display */ imlib_add_path_to_font_path("/usr/share/fonts/TTF"); /* draw text - centered with the current mouse x, y */ font = imlib_load_font("times/10"); if (font) { /* set the current font */ imlib_context_set_font(font); imlib_context_set_anti_alias(1); } else { fprintf(stderr, "Font not found: %s\n", "times/8"); } }
int app_init_imlib2(struct R_app *app) { if (app == NULL) { return -1; } imlib_context_set_display(app->display); imlib_context_set_visual(app->visual); imlib_context_set_colormap(app->colormap); imlib_context_set_drawable(app->window->win); imlib_context_set_blend(0); imlib_context_set_mask(0); imlib_set_font_cache_size(1024 * 1024); #if 0 imlib_add_path_to_font_path(RESURRECTION_FONT_SEARCH_PATH "ttf/"); #endif imlib_set_cache_size(4096 * 1024); return 0; }
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; }