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);
}