void sk_test_capi(SkCanvas* canvas) { sk_imageinfo_t cinfo; cinfo.width = 100; cinfo.height = 100; cinfo.colorType = (sk_colortype_t)kN32_SkColorType; cinfo.alphaType = (sk_alphatype_t)kPremul_SkAlphaType; sk_surface_t* csurface = sk_surface_new_raster(&cinfo); sk_canvas_t* ccanvas = sk_surface_get_canvas(csurface); sk_paint_t* cpaint = sk_paint_new(); sk_paint_set_antialias(cpaint, true); sk_paint_set_color(cpaint, 0xFFFF0000); sk_rect_t cr = { 5, 5, 95, 95 }; sk_canvas_draw_oval(ccanvas, &cr, cpaint); cr.left += 25; cr.top += 25; cr.right -= 25; cr.bottom -= 25; sk_paint_set_color(cpaint, 0xFF00FF00); sk_canvas_draw_rect(ccanvas, &cr, cpaint); sk_image_t* cimage = sk_surface_new_image_snapshot(csurface); // HERE WE CROSS THE C..C++ boundary canvas->drawImage((const SkImage*)cimage, 20, 20, NULL); sk_paint_delete(cpaint); sk_image_unref(cimage); sk_surface_delete(csurface); }
void sk_test_c_api(sk_canvas_t* canvas) { do_draw(canvas); sk_imageinfo_t info = { W, H, sk_colortype_get_default_8888(), OPAQUE_SK_ALPHATYPE }; sk_surface_t* surf = sk_surface_new_raster(&info); do_draw(sk_surface_get_canvas(surf)); sk_image_t* img0 = sk_surface_new_image_snapshot(surf); sk_surface_unref(surf); sk_canvas_draw_image(canvas, img0, W + 10, 10, NULL); sk_data_t* data = sk_image_encode(img0); sk_image_unref(img0); sk_image_t* img1 = sk_image_new_from_data(data); sk_data_unref(data); if (img1) { sk_canvas_draw_image(canvas, img1, W/2, H/2, NULL); sk_image_unref(img1); } }
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; }
void sk_test_capi(SkCanvas* canvas) { sk_imageinfo_t cinfo; cinfo.width = 100; cinfo.height = 100; cinfo.colorType = (sk_colortype_t)kN32_SkColorType; cinfo.alphaType = (sk_alphatype_t)kPremul_SkAlphaType; sk_surfaceprops_t surfaceprops; surfaceprops.pixelGeometry = UNKNOWN_SK_PIXELGEOMETRY; sk_surface_t* csurface = sk_surface_new_raster(&cinfo, &surfaceprops); sk_canvas_t* ccanvas = sk_surface_get_canvas(csurface); sk_paint_t* cpaint = sk_paint_new(); sk_paint_set_antialias(cpaint, true); sk_paint_set_color(cpaint, 0xFFFF0000); sk_rect_t cr = { 5, 5, 95, 95 }; sk_canvas_draw_oval(ccanvas, &cr, cpaint); cr.left += 25; cr.top += 25; cr.right -= 25; cr.bottom -= 25; sk_paint_set_color(cpaint, 0xFF00FF00); sk_canvas_draw_rect(ccanvas, &cr, cpaint); sk_path_t* cpath = sk_path_new(); sk_path_move_to(cpath, 50, 50); sk_path_line_to(cpath, 100, 100); sk_path_line_to(cpath, 50, 100); sk_path_close(cpath); sk_canvas_draw_path(ccanvas, cpath, cpaint); sk_image_t* cimage = sk_surface_new_image_snapshot(csurface); // HERE WE CROSS THE C..C++ boundary canvas->drawImage((const SkImage*)cimage, 20, 20, NULL); sk_path_delete(cpath); sk_paint_delete(cpaint); sk_image_unref(cimage); sk_surface_unref(csurface); }