TEST(Render, ZoomAndDstBounds)
{
// Create this image:
// 0 0 0
// 0 4 4
// 0 4 4
Document* doc = new Document;
doc->sprites().add(Sprite::createBasicSprite(ImageSpec(ColorMode::INDEXED, 3, 3)));
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 0);
fill_rect(src, 1, 1, 2, 2, 4);
std::unique_ptr<Image> dst(Image::create(IMAGE_INDEXED, 4, 4));
clear_image(dst.get(), 0);
Render render;
render.setBgType(BgType::CHECKED);
render.setBgZoom(true);
render.setBgColor1(1);
render.setBgColor2(2);
render.setBgCheckedSize(gfx::Size(1, 1));
render.renderSprite(
dst.get(), doc->sprite(), frame_t(0),
gfx::Clip(1, 1, 0, 0, 2, 2));
EXPECT_4X4_PIXELS(dst.get(),
0, 0, 0, 0,
0, 1, 2, 0,
0, 2, 4, 0,
0, 0, 0, 0);
}
TEST(Render, CheckedBackground)
{
Document* doc = new Document;
doc->sprites().add(Sprite::createBasicSprite(ImageSpec(ColorMode::INDEXED, 4, 4)));
std::unique_ptr<Image> dst(Image::create(IMAGE_INDEXED, 4, 4));
clear_image(dst.get(), 0);
Render render;
render.setBgType(BgType::CHECKED);
render.setBgZoom(true);
render.setBgColor1(1);
render.setBgColor2(2);
render.setBgCheckedSize(gfx::Size(1, 1));
render.renderSprite(dst.get(), doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst.get(),
1, 2, 1, 2,
2, 1, 2, 1,
1, 2, 1, 2,
2, 1, 2, 1);
render.setBgCheckedSize(gfx::Size(2, 2));
render.renderSprite(dst.get(), doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst.get(),
1, 1, 2, 2,
1, 1, 2, 2,
2, 2, 1, 1,
2, 2, 1, 1);
render.setBgCheckedSize(gfx::Size(3, 3));
render.renderSprite(dst.get(), doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst.get(),
1, 1, 1, 2,
1, 1, 1, 2,
1, 1, 1, 2,
2, 2, 2, 1);
render.setProjection(Projection(PixelRatio(1, 1), Zoom(2, 1)));
render.setBgCheckedSize(gfx::Size(1, 1));
render.renderSprite(dst.get(), doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst.get(),
1, 1, 2, 2,
1, 1, 2, 2,
2, 2, 1, 1,
2, 2, 1, 1);
}
TEST(Render, BugWithMultiplesOf3ZoomFactors)
{
Document* doc = new Document;
doc->sprites().add(Sprite::createBasicSprite(ImageSpec(ColorMode::RGB, 4, 4)));
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 0);
draw_line(src, 0, 0, 3, 3, rgba(255, 0, 0, 255));
// Added other factors (like 1, 2, 4, etc.) too
int zooms[] = { 1, 2, 3, 4, 6, 8, 9, 12, 15, 16, 18, 21, 24, 27,
30, 32, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60,
63, 66, 69, 72, 75, 78, 81 };
for (int zoom : zooms) {
std::unique_ptr<Image> dst(Image::create(IMAGE_RGB, 4*zoom, 4*zoom));
clear_image(dst.get(), 0);
Render render;
render.setBgType(BgType::CHECKED);
render.setBgZoom(false);
render.setBgColor1(rgba(128, 128, 128, 255));
render.setBgColor2(rgba(64, 64, 64, 255));
render.setBgCheckedSize(gfx::Size(2, 2));
render.setProjection(Projection(PixelRatio(1, 1), Zoom(zoom, 1)));
render.renderSprite(
dst.get(), doc->sprite(), frame_t(0),
gfx::Clip(0, 0, 0, 0, 4*zoom, 4*zoom));
for (int y=0; y<dst->height(); ++y) {
for (int x=0; x<dst->width(); ++x) {
color_t c = get_pixel(dst.get(), x, y);
if (x / zoom == y / zoom) {
EXPECT_EQ(c, rgba(255, 0, 0, 255))
<< " zoom=" << zoom << " x=" << x << " y=" << y;
}
else {
EXPECT_NE(c, rgba(255, 0, 0, 255))
<< " zoom=" << zoom << " x=" << x << " y=" << y;
int gridBg = ((x / 2) + (y / 2)) % 2;
if (gridBg == 0) {
EXPECT_EQ(c, rgba(128, 128, 128, 255))
<< " zoom=" << zoom << " x=" << x << " y=" << y;
}
else {
EXPECT_EQ(c, rgba(64, 64, 64, 255))
<< " zoom=" << zoom << " x=" << x << " y=" << y;
}
}
}
}
}
}