Esempi in C++ (Cpp) per sk_surface_new_image_snapshot

Esempio n. 1

File: sk_surface.cpp Progetto: exploreword/skia

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);
}

Esempio n. 2

File: cgm.c Progetto: rickdynasty/platform_external_skia

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);
    }
}

Esempio n. 3

File: skia-c-example.c Progetto: HalCanary/skia-hc

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);
}

Esempio n. 4

File: sk_surface.cpp Progetto: mariospr/chromium-browser

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);
}