| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include <stdio.h> |
| |
| #include "include/c/sk_canvas.h" |
| #include "include/c/sk_data.h" |
| #include "include/c/sk_image.h" |
| #include "include/c/sk_imageinfo.h" |
| #include "include/c/sk_paint.h" |
| #include "include/c/sk_path.h" |
| #include "include/c/sk_surface.h" |
| |
| static sk_surface_t* make_surface(int32_t w, int32_t h) { |
| sk_imageinfo_t* info = sk_imageinfo_new(w, h, RGBA_8888_SK_COLORTYPE, |
| PREMUL_SK_ALPHATYPE, NULL); |
| sk_surface_t* result = sk_surface_new_raster(info, NULL); |
| sk_imageinfo_delete(info); |
| return result; |
| } |
| |
| static void emit_png(const char* path, sk_surface_t* surface) { |
| sk_image_t* image = sk_surface_new_image_snapshot(surface); |
| sk_data_t* data = sk_image_encode(image); |
| sk_image_unref(image); |
| FILE* f = fopen(path, "wb"); |
| fwrite(sk_data_get_data(data), sk_data_get_size(data), 1, f); |
| fclose(f); |
| sk_data_unref(data); |
| } |
| |
| void draw(sk_canvas_t* canvas) { |
| sk_paint_t* fill = sk_paint_new(); |
| sk_paint_set_color(fill, sk_color_set_argb(0xFF, 0x00, 0x00, 0xFF)); |
| sk_canvas_draw_paint(canvas, fill); |
| |
| sk_paint_set_color(fill, sk_color_set_argb(0xFF, 0x00, 0xFF, 0xFF)); |
| sk_rect_t rect; |
| rect.left = 100.0f; |
| rect.top = 100.0f; |
| rect.right = 540.0f; |
| rect.bottom = 380.0f; |
| sk_canvas_draw_rect(canvas, &rect, fill); |
| |
| sk_paint_t* stroke = sk_paint_new(); |
| sk_paint_set_color(stroke, sk_color_set_argb(0xFF, 0xFF, 0x00, 0x00)); |
| sk_paint_set_antialias(stroke, true); |
| sk_paint_set_stroke(stroke, true); |
| sk_paint_set_stroke_width(stroke, 5.0f); |
| |
| sk_pathbuilder_t* path_builder = sk_pathbuilder_new(); |
| sk_pathbuilder_move_to(path_builder, 50.0f, 50.0f); |
| sk_pathbuilder_line_to(path_builder, 590.0f, 50.0f); |
| sk_pathbuilder_cubic_to(path_builder, -490.0f, 50.0f, 1130.0f, 430.0f, 50.0f, 430.0f); |
| sk_pathbuilder_line_to(path_builder, 590.0f, 430.0f); |
| |
| sk_path_t* path = sk_pathbuilder_detach_path(path_builder); |
| sk_canvas_draw_path(canvas, path, stroke); |
| |
| sk_paint_set_color(fill, sk_color_set_argb(0x80, 0x00, 0xFF, 0x00)); |
| sk_rect_t rect2; |
| rect2.left = 120.0f; |
| rect2.top = 120.0f; |
| rect2.right = 520.0f; |
| rect2.bottom = 360.0f; |
| sk_canvas_draw_oval(canvas, &rect2, fill); |
| |
| sk_pathbuilder_delete(path_builder); |
| sk_path_delete(path); |
| sk_paint_delete(stroke); |
| sk_paint_delete(fill); |
| } |
| |
| int main() { |
| sk_surface_t* surface = make_surface(640, 480); |
| sk_canvas_t* canvas = sk_surface_get_canvas(surface); |
| draw(canvas); |
| emit_png("skia-c-example.png", surface); |
| sk_surface_unref(surface); |
| return 0; |
| } |