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https://github.com/RGBCube/serenity
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Build Painter & friends into LibC. Use it in the GUI test app.
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commit
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16 changed files with 105 additions and 50 deletions
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@ -5,15 +5,12 @@
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#include <stdlib.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <Kernel/GUITypes.h>
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#include <Kernel/Syscall.h>
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#include <AK/StdLibExtras.h>
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#include <Widgets/GraphicsBitmap.h>
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#include <Widgets/Painter.h>
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#include "gui.h"
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int gui_invalidate_window(int window_id)
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{
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int rc = syscall(SC_gui_invalidate_window, window_id);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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static void paint(GraphicsBitmap& bitmap, int width, int height);
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int main(int argc, char** argv)
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{
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@ -21,7 +18,7 @@ int main(int argc, char** argv)
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wparams.rect = { { 200, 200 }, { 300, 200 } };
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wparams.background_color = 0xffc0c0;
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strcpy(wparams.title, "GUI test app");
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int window_id = syscall(SC_gui_create_window, &wparams);
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int window_id = gui_create_window(&wparams);
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if (window_id < 0) {
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perror("gui_create_window");
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return 1;
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@ -34,15 +31,17 @@ int main(int argc, char** argv)
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}
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GUI_WindowBackingStoreInfo backing;
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int rc = syscall(SC_gui_get_window_backing_store, window_id, &backing);
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int rc = gui_get_window_backing_store(window_id, &backing);
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if (rc < 0) {
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perror("gui_get_window_backing_store");
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return 1;
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}
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sys_printf("(Client) window backing %ux%u @ %p\n", backing.size.width, backing.size.height, backing.pixels);
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auto bitmap = GraphicsBitmap::create_wrapper(backing.size, backing.pixels);
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fast_dword_fill(backing.pixels, 0x00ff00, backing.size.width * backing.size.height);
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dbgprintf("(Client) window backing %ux%u @ %p\n", backing.size.width, backing.size.height, backing.pixels);
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paint(*bitmap, backing.size.width, backing.size.height);
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rc = gui_invalidate_window(window_id);
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if (rc < 0) {
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@ -59,21 +58,28 @@ int main(int argc, char** argv)
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}
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assert(nread == sizeof(event));
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switch (event.type) {
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case GUI_Event::Type::Paint: sys_printf("WID=%x Paint [%d,%d %dx%d]\n", event.window_id, event.paint.rect.location.x, event.paint.rect.location.y, event.paint.rect.size.width, event.paint.rect.size.height); break;
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case GUI_Event::Type::MouseDown: sys_printf("WID=%x MouseDown %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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case GUI_Event::Type::MouseUp: sys_printf("WID=%x MouseUp %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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case GUI_Event::Type::MouseMove: sys_printf("WID=%x MouseMove %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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case GUI_Event::Type::Paint: dbgprintf("WID=%x Paint [%d,%d %dx%d]\n", event.window_id, event.paint.rect.location.x, event.paint.rect.location.y, event.paint.rect.size.width, event.paint.rect.size.height); break;
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case GUI_Event::Type::MouseDown: dbgprintf("WID=%x MouseDown %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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case GUI_Event::Type::MouseUp: dbgprintf("WID=%x MouseUp %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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case GUI_Event::Type::MouseMove: dbgprintf("WID=%x MouseMove %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
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}
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if (event.type == GUI_Event::Type::MouseDown) {
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byte r = rand() % 255;
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byte g = rand() % 255;
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byte b = rand() % 255;
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Color color(r, g, b);
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fast_dword_fill(backing.pixels, color.value(), backing.size.width * backing.size.height);
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paint(*bitmap, backing.size.width, backing.size.height);
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gui_invalidate_window(window_id);
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}
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}
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return 0;
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}
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void paint(GraphicsBitmap& bitmap, int width, int height)
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{
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byte r = rand() % 255;
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byte g = rand() % 255;
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byte b = rand() % 255;
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Color color(r, g, b);
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Painter painter(bitmap);
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painter.fill_rect({0, 0, width, height}, color);
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painter.draw_text({0, 0, width, height}, "Hello World!", Painter::TextAlignment::Center, Color::Black);
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}
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