/* * Copyright (c) 2014 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <cairo.h> #include <cairo-xlib.h> #include <cairo-xlib-xrender.h> #include <X11/Xlib.h> #include <X11/extensions/Xrender.h> #include <string.h> static void core_cursor(Display *dpy, int width, int height) { char text[256]; cairo_surface_t *surface; cairo_text_extents_t extents; cairo_t *cr; Pixmap bitmap; int scr = DefaultScreen(dpy); Window root = RootWindow(dpy, scr); XColor bg, fg; int pitch; char *data; GC gc; sprintf(text, "%dx%d", width, height); pitch = (width + 31) >> 5 << 2; data = calloc(pitch, height); surface = cairo_image_surface_create_for_data((unsigned char *)data, CAIRO_FORMAT_A1, width, height, pitch); cr = cairo_create(surface); cairo_text_extents(cr, text, &extents); cairo_move_to(cr, 0, extents.height); cairo_show_text(cr, text); cairo_destroy(cr); cairo_surface_destroy(surface); bitmap = XCreatePixmap(dpy, root, width, height, 1); gc = XCreateGC(dpy, bitmap, 0, NULL); if (gc != NULL) { XImage ximage = { .height = height, .width = width, .depth = 1, .bits_per_pixel = 1, .xoffset = 0, .format = XYPixmap, .data = data, .byte_order = LSBFirst, .bitmap_unit = 32, .bitmap_bit_order = LSBFirst, .bitmap_pad = 32, .bytes_per_line = pitch, }; XPutImage(dpy, bitmap, gc, &ximage, 0, 0, 0, 0, width, height); XFreeGC(dpy, gc); } free(data); XParseColor(dpy, DefaultColormap(dpy, scr), "green", &fg); XParseColor(dpy, DefaultColormap(dpy, scr), "black", &bg); XDefineCursor(dpy, root, XCreatePixmapCursor(dpy, bitmap, bitmap, &fg, &bg, 0, 0)); XFreePixmap(dpy, bitmap); } static void render_cursor(Display *dpy, int width, int height) { char text[256]; cairo_surface_t *surface; cairo_text_extents_t extents; cairo_t *cr; Pixmap pixmap; Picture picture; sprintf(text, "%dx%d", width, height); pixmap = XCreatePixmap(dpy, DefaultRootWindow(dpy), width, height, 32); surface = cairo_xlib_surface_create_with_xrender_format(dpy, pixmap, DefaultScreenOfDisplay(dpy), XRenderFindStandardFormat(dpy, PictStandardARGB32), width, height); cr = cairo_create(surface); cairo_surface_destroy(surface); cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR); cairo_paint(cr); cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_text_extents(cr, text, &extents); cairo_move_to(cr, 0, extents.height); cairo_set_source_rgb(cr, 1, 0, 1); cairo_show_text(cr, text); cairo_destroy(cr); picture = XRenderCreatePicture(dpy, pixmap, XRenderFindStandardFormat(dpy, PictStandardARGB32), 0, NULL); XFreePixmap(dpy, pixmap); XDefineCursor(dpy, DefaultRootWindow(dpy), XRenderCreateCursor(dpy, picture, 0, 0)); XRenderFreePicture(dpy, picture); } int main(void) { Display *dpy; int sizes[] = { 24, 32, 48, 64, 72, 128, 160, 256 }; int x, y; dpy = XOpenDisplay(NULL); if (dpy == NULL) dpy = XOpenDisplay(":0"); /* lazy */ if (dpy == NULL) return 77; for (x = 0; x < sizeof(sizes)/sizeof(sizes[0]); x++) { for (y = 0; y < sizeof(sizes)/sizeof(sizes[0]); y++) { printf("Testing %dx%d (core)\n", sizes[x], sizes[y]); core_cursor(dpy, sizes[x], sizes[y]); XSync(dpy, True); sleep(2); printf("Testing %dx%d (render)\n", sizes[x], sizes[y]); render_cursor(dpy, sizes[x], sizes[y]); XSync(dpy, True); sleep(2); } } return 0; }