1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 // EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL 9 // DO NOT USE -- FOR INTERNAL TESTING ONLY 10 11 #include "sk_canvas.h" 12 #include "sk_data.h" 13 #include "sk_image.h" 14 #include "sk_paint.h" 15 #include "sk_shader.h" 16 #include "sk_surface.h" 17 18 extern void sk_test_c_api(sk_canvas_t*); 19 20 #define W 256 21 #define H 256 22 23 static sk_shader_t* make_shader() { 24 sk_point_t pts[] = { { 0, 0 }, { W, H } }; 25 sk_color_t colors[] = { 0xFF00FF00, 0xFF0000FF }; 26 return sk_shader_new_linear_gradient(pts, colors, NULL, 2, CLAMP_SK_SHADER_TILEMODE, NULL); 27 } 28 29 static void do_draw(sk_canvas_t* canvas) { 30 sk_paint_t* paint = sk_paint_new(); 31 sk_paint_set_antialias(paint, true); 32 33 sk_paint_set_color(paint, 0xFFFFFFFF); 34 sk_canvas_draw_paint(canvas, paint); 35 36 sk_rect_t r = { 10, 10, W - 10, H - 10 }; 37 38 sk_paint_set_color(paint, 0xFFFF0000); 39 sk_canvas_draw_rect(canvas, &r, paint); 40 41 sk_shader_t* shader = make_shader(); 42 sk_paint_set_shader(paint, shader); 43 sk_shader_unref(shader); 44 45 sk_canvas_draw_oval(canvas, &r, paint); 46 47 sk_paint_delete(paint); 48 } 49 50 void sk_test_c_api(sk_canvas_t* canvas) { 51 do_draw(canvas); 52 53 sk_imageinfo_t info = { 54 W, H, sk_colortype_get_default_8888(), OPAQUE_SK_ALPHATYPE 55 }; 56 sk_surfaceprops_t surfaceProps = { UNKNOWN_SK_PIXELGEOMETRY }; 57 sk_surface_t* surf = sk_surface_new_raster(&info, &surfaceProps); 58 do_draw(sk_surface_get_canvas(surf)); 59 60 sk_image_t* img0 = sk_surface_new_image_snapshot(surf); 61 sk_surface_unref(surf); 62 63 sk_canvas_draw_image(canvas, img0, W + 10, 10, NULL); 64 65 sk_data_t* data = sk_image_encode(img0); 66 sk_image_unref(img0); 67 68 sk_image_t* img1 = sk_image_new_from_encoded(data, NULL); 69 sk_data_unref(data); 70 71 if (img1) { 72 sk_canvas_draw_image(canvas, img1, W/2, H/2, NULL); 73 sk_image_unref(img1); 74 } 75 } 76 77 78
