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_imageinfo.h" 15 #include "sk_paint.h" 16 #include "sk_shader.h" 17 #include "sk_surface.h" 18 19 extern void sk_test_c_api(sk_canvas_t*); 20 21 #define W 256 22 #define H 256 23 24 static sk_shader_t* make_shader() { 25 sk_point_t pts[] = { { 0, 0 }, { W, H } }; 26 sk_color_t colors[] = { 0xFF00FF00, 0xFF0000FF }; 27 return sk_shader_new_linear_gradient(pts, colors, NULL, 2, CLAMP_SK_SHADER_TILEMODE, NULL); 28 } 29 30 static void do_draw(sk_canvas_t* canvas) { 31 sk_paint_t* paint = sk_paint_new(); 32 sk_paint_set_antialias(paint, true); 33 34 sk_paint_set_color(paint, 0xFFFFFFFF); 35 sk_canvas_draw_paint(canvas, paint); 36 37 sk_rect_t r = { 10, 10, W - 10, H - 10 }; 38 39 sk_paint_set_color(paint, 0xFFFF0000); 40 sk_canvas_draw_rect(canvas, &r, paint); 41 42 sk_shader_t* shader = make_shader(); 43 sk_paint_set_shader(paint, shader); 44 sk_shader_unref(shader); 45 46 sk_canvas_draw_oval(canvas, &r, paint); 47 48 sk_paint_delete(paint); 49 } 50 51 void sk_test_c_api(sk_canvas_t* canvas) { 52 do_draw(canvas); 53 54 sk_imageinfo_t* info = sk_imageinfo_new(W, H, RGBA_8888_SK_COLORTYPE, OPAQUE_SK_ALPHATYPE, 55 NULL); 56 sk_surfaceprops_t surfaceProps = { UNKNOWN_SK_PIXELGEOMETRY }; 57 sk_surface_t* surf = sk_surface_new_raster(info, &surfaceProps); 58 sk_imageinfo_delete(info); 59 do_draw(sk_surface_get_canvas(surf)); 60 61 sk_image_t* img0 = sk_surface_new_image_snapshot(surf); 62 sk_surface_unref(surf); 63 64 sk_canvas_draw_image(canvas, img0, W + 10, 10, NULL); 65 66 sk_data_t* data = sk_image_encode(img0); 67 sk_image_unref(img0); 68 69 sk_image_t* img1 = sk_image_new_from_encoded(data, NULL); 70 sk_data_unref(data); 71 72 if (img1) { 73 sk_canvas_draw_image(canvas, img1, W/2, H/2, NULL); 74 sk_image_unref(img1); 75 } 76 } 77 78 79
