2015-11-19 04:01:22 +01:00
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#include "wayland-desktop-shell-client-protocol.h"
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2015-11-12 14:31:47 +01:00
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#include <stdio.h>
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2015-11-13 01:04:01 +01:00
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#include <stdlib.h>
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#include <wayland-client.h>
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2015-11-13 16:27:16 +01:00
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#include <time.h>
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2015-11-28 14:49:02 +01:00
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#include <string.h>
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2015-11-19 13:58:57 +01:00
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#include "client/window.h"
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#include "client/registry.h"
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2015-12-10 13:57:46 +01:00
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#include "client/cairo.h"
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2015-11-13 01:04:01 +01:00
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#include "log.h"
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2015-11-19 13:58:57 +01:00
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#include "list.h"
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2015-11-13 01:04:01 +01:00
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2015-11-19 13:58:57 +01:00
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list_t *surfaces;
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struct registry *registry;
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2015-11-13 01:04:01 +01:00
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2015-11-27 14:52:59 +01:00
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enum scaling_mode {
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2015-11-25 15:57:35 +01:00
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SCALING_MODE_STRETCH,
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2015-11-25 19:52:34 +01:00
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SCALING_MODE_FILL,
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2015-11-25 21:26:21 +01:00
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SCALING_MODE_FIT,
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2015-11-25 19:53:13 +01:00
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SCALING_MODE_CENTER,
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2015-11-25 20:07:34 +01:00
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SCALING_MODE_TILE,
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2015-11-25 15:57:35 +01:00
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};
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2016-02-26 09:08:05 +01:00
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void sway_terminate(int exit_code) {
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2015-11-19 13:58:57 +01:00
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int i;
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for (i = 0; i < surfaces->length; ++i) {
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struct window *window = surfaces->items[i];
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window_teardown(window);
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}
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list_free(surfaces);
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registry_teardown(registry);
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2016-02-26 09:08:05 +01:00
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exit(exit_code);
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2015-11-13 01:04:01 +01:00
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}
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2015-11-12 14:31:47 +01:00
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2015-11-25 15:53:02 +01:00
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int main(int argc, const char **argv) {
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2015-11-13 01:04:01 +01:00
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init_log(L_INFO);
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2015-11-19 13:58:57 +01:00
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surfaces = create_list();
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registry = registry_poll();
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2015-11-25 15:53:18 +01:00
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if (argc != 4) {
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2015-11-20 00:55:17 +01:00
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sway_abort("Do not run this program manually. See man 5 sway and look for output options.");
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2015-11-19 14:20:07 +01:00
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}
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2015-11-19 13:58:57 +01:00
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if (!registry->desktop_shell) {
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2015-11-19 04:01:22 +01:00
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sway_abort("swaybg requires the compositor to support the desktop-shell extension.");
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}
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2015-11-19 13:58:57 +01:00
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2015-11-20 00:55:17 +01:00
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int desired_output = atoi(argv[1]);
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sway_log(L_INFO, "Using output %d of %d", desired_output, registry->outputs->length);
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2015-11-19 13:58:57 +01:00
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int i;
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2015-11-20 00:55:17 +01:00
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struct output_state *output = registry->outputs->items[desired_output];
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2015-11-29 16:58:18 +01:00
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struct window *window = window_setup(registry, output->width, output->height, false);
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2015-11-20 00:55:17 +01:00
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if (!window) {
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sway_abort("Failed to create surfaces.");
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2015-11-19 13:58:57 +01:00
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}
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2015-11-20 00:55:17 +01:00
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desktop_shell_set_background(registry->desktop_shell, output->output, window->surface);
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2016-07-17 17:55:05 +02:00
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window_make_shell(window);
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2015-11-20 00:55:17 +01:00
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list_add(surfaces, window);
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2015-11-13 01:04:01 +01:00
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2015-12-20 17:37:52 +01:00
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#ifdef WITH_GDK_PIXBUF
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2015-12-10 14:18:48 +01:00
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GError *err = NULL;
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GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(argv[2], &err);
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2015-12-07 23:31:44 +01:00
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if (!pixbuf) {
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sway_abort("Failed to load background image.");
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}
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2015-12-10 13:57:46 +01:00
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cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
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2015-12-07 23:31:44 +01:00
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g_object_unref(pixbuf);
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2015-12-20 17:37:52 +01:00
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#else
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cairo_surface_t *image = cairo_image_surface_create_from_png(argv[2]);
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#endif //WITH_GDK_PIXBUF
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2015-12-07 23:31:44 +01:00
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if (!image) {
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sway_abort("Failed to read background image.");
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}
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2015-11-19 14:34:23 +01:00
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double width = cairo_image_surface_get_width(image);
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double height = cairo_image_surface_get_height(image);
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2015-11-13 01:35:39 +01:00
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2015-11-25 15:57:35 +01:00
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const char *scaling_mode_str = argv[3];
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2015-11-27 15:42:24 +01:00
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enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
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2015-11-25 15:57:35 +01:00
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if (strcmp(scaling_mode_str, "stretch") == 0) {
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scaling_mode = SCALING_MODE_STRETCH;
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2015-11-25 19:52:34 +01:00
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} else if (strcmp(scaling_mode_str, "fill") == 0) {
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scaling_mode = SCALING_MODE_FILL;
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2015-11-25 21:26:21 +01:00
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} else if (strcmp(scaling_mode_str, "fit") == 0) {
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scaling_mode = SCALING_MODE_FIT;
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2015-11-25 19:53:13 +01:00
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} else if (strcmp(scaling_mode_str, "center") == 0) {
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scaling_mode = SCALING_MODE_CENTER;
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2015-11-25 20:07:34 +01:00
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} else if (strcmp(scaling_mode_str, "tile") == 0) {
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scaling_mode = SCALING_MODE_TILE;
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2015-11-25 15:57:35 +01:00
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} else {
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sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
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}
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2015-11-19 14:34:23 +01:00
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for (i = 0; i < surfaces->length; ++i) {
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struct window *window = surfaces->items[i];
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if (window_prerender(window) && window->cairo) {
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2015-11-25 15:57:35 +01:00
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switch (scaling_mode) {
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2015-11-27 14:59:21 +01:00
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case SCALING_MODE_STRETCH:
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cairo_scale(window->cairo,
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(double) window->width / width,
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(double) window->height / height);
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cairo_set_source_surface(window->cairo, image, 0, 0);
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break;
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case SCALING_MODE_FILL:
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2015-11-27 22:16:40 +01:00
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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} else {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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2015-11-27 14:59:21 +01:00
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}
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break;
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2015-11-27 22:16:40 +01:00
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}
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2015-11-27 14:59:21 +01:00
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case SCALING_MODE_FIT:
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2015-11-27 22:16:40 +01:00
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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} else {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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2015-11-27 14:59:21 +01:00
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}
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break;
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2015-11-27 22:16:40 +01:00
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}
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2015-11-27 14:59:21 +01:00
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case SCALING_MODE_CENTER:
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 - width/2,
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(double) window->height/2 - height/2);
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break;
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case SCALING_MODE_TILE:
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2015-11-27 22:16:40 +01:00
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{
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cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_set_source(window->cairo, pattern);
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2015-11-27 14:59:21 +01:00
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break;
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2015-11-27 22:16:40 +01:00
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}
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2015-11-27 14:59:21 +01:00
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default:
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sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
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2015-11-25 15:57:35 +01:00
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}
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2015-11-19 14:34:23 +01:00
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cairo_paint(window->cairo);
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2015-11-18 14:22:37 +01:00
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2015-11-19 14:34:23 +01:00
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window_render(window);
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2015-11-13 01:35:39 +01:00
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}
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2015-11-19 14:34:23 +01:00
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}
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2015-12-07 23:31:44 +01:00
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cairo_surface_destroy(image);
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2015-11-19 14:34:23 +01:00
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while (wl_display_dispatch(registry->display) != -1);
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2015-11-13 01:04:01 +01:00
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2015-11-19 13:58:57 +01:00
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for (i = 0; i < surfaces->length; ++i) {
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struct window *window = surfaces->items[i];
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window_teardown(window);
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}
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list_free(surfaces);
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registry_teardown(registry);
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2015-11-12 14:31:47 +01:00
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return 0;
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}
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