aseprite/src/render/render_tests.cpp

274 lines
8.0 KiB
C++

// Aseprite Document Library
// Copyright (c) 2001-2016 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gtest/gtest.h>
#include "render/render.h"
#include "base/unique_ptr.h"
#include "doc/cel.h"
#include "doc/context.h"
#include "doc/document.h"
#include "doc/image.h"
#include "doc/layer.h"
#include "doc/palette.h"
#include "doc/primitives.h"
using namespace doc;
using namespace render;
template<typename T>
class RenderAllModes : public testing::Test {
protected:
RenderAllModes() { }
};
typedef testing::Types<RgbTraits, GrayscaleTraits, IndexedTraits> ImageAllTraits;
TYPED_TEST_CASE(RenderAllModes, ImageAllTraits);
// a b
// c d
#define EXPECT_2X2_PIXELS(image, a, b, c, d) \
EXPECT_EQ(a, get_pixel(image, 0, 0)); \
EXPECT_EQ(b, get_pixel(image, 1, 0)); \
EXPECT_EQ(c, get_pixel(image, 0, 1)); \
EXPECT_EQ(d, get_pixel(image, 1, 1))
// a b c d
// e f g h
// i j k l
// m n o p
#define EXPECT_4X4_PIXELS(image, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) \
EXPECT_EQ(a, get_pixel(image, 0, 0)); \
EXPECT_EQ(b, get_pixel(image, 1, 0)); \
EXPECT_EQ(c, get_pixel(image, 2, 0)); \
EXPECT_EQ(d, get_pixel(image, 3, 0)); \
EXPECT_EQ(e, get_pixel(image, 0, 1)); \
EXPECT_EQ(f, get_pixel(image, 1, 1)); \
EXPECT_EQ(g, get_pixel(image, 2, 1)); \
EXPECT_EQ(h, get_pixel(image, 3, 1)); \
EXPECT_EQ(i, get_pixel(image, 0, 2)); \
EXPECT_EQ(j, get_pixel(image, 1, 2)); \
EXPECT_EQ(k, get_pixel(image, 2, 2)); \
EXPECT_EQ(l, get_pixel(image, 3, 2)); \
EXPECT_EQ(m, get_pixel(image, 0, 3)); \
EXPECT_EQ(n, get_pixel(image, 1, 3)); \
EXPECT_EQ(o, get_pixel(image, 2, 3)); \
EXPECT_EQ(p, get_pixel(image, 3, 3))
TEST(Render, Basic)
{
Context ctx;
Document* doc = ctx.documents().add(2, 2, ColorMode::RGB);
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 2);
base::UniquePtr<Image> dst(Image::create(IMAGE_RGB, 2, 2));
clear_image(dst, 1);
EXPECT_2X2_PIXELS(dst, 1, 1, 1, 1);
Render render;
render.renderSprite(dst, doc->sprite(), frame_t(0));
EXPECT_2X2_PIXELS(dst, 2, 2, 2, 2);
}
TYPED_TEST(RenderAllModes, CheckDefaultBackgroundMode)
{
typedef TypeParam ImageTraits;
Context ctx;
Document* doc = ctx.documents().add(2, 2,
ColorMode(ImageTraits::pixel_format));
EXPECT_TRUE(!doc->sprite()->root()->firstLayer()->isBackground());
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 0);
put_pixel(src, 1, 1, 1);
base::UniquePtr<Image> dst(Image::create(ImageTraits::pixel_format, 2, 2));
clear_image(dst, 1);
EXPECT_2X2_PIXELS(dst, 1, 1, 1, 1);
Render render;
render.renderSprite(dst, doc->sprite(), frame_t(0));
// Default background mode is to set all pixels to transparent color
EXPECT_2X2_PIXELS(dst, 0, 0, 0, 1);
}
TEST(Render, DefaultBackgroundModeWithNonzeroTransparentIndex)
{
Context ctx;
Document* doc = ctx.documents().add(2, 2, ColorMode::INDEXED);
doc->sprite()->setTransparentColor(2); // Transparent color is index 2
EXPECT_TRUE(!doc->sprite()->root()->firstLayer()->isBackground());
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 2);
put_pixel(src, 1, 1, 1);
base::UniquePtr<Image> dst(Image::create(IMAGE_INDEXED, 2, 2));
clear_image(dst, 1);
EXPECT_2X2_PIXELS(dst, 1, 1, 1, 1);
Render render;
render.renderSprite(dst, doc->sprite(), frame_t(0));
EXPECT_2X2_PIXELS(dst, 2, 2, 2, 1); // Indexed transparent
dst.reset(Image::create(IMAGE_RGB, 2, 2));
clear_image(dst, 1);
EXPECT_2X2_PIXELS(dst, 1, 1, 1, 1);
render.renderSprite(dst, doc->sprite(), frame_t(0));
color_t c1 = doc->sprite()->palette(0)->entry(1);
EXPECT_NE(0, c1);
EXPECT_2X2_PIXELS(dst, 0, 0, 0, c1); // RGB transparent
}
TEST(Render, CheckedBackground)
{
Context ctx;
Document* doc = ctx.documents().add(4, 4, ColorMode::RGB);
base::UniquePtr<Image> dst(Image::create(IMAGE_RGB, 4, 4));
clear_image(dst, 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, doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst,
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, doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst,
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, doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst,
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, doc->sprite(), frame_t(0));
EXPECT_4X4_PIXELS(dst,
1, 1, 2, 2,
1, 1, 2, 2,
2, 2, 1, 1,
2, 2, 1, 1);
}
TEST(Render, ZoomAndDstBounds)
{
Context ctx;
// Create this image:
// 0 0 0
// 0 4 4
// 0 4 4
Document* doc = ctx.documents().add(3, 3, ColorMode::RGB);
Image* src = doc->sprite()->root()->firstLayer()->cel(0)->image();
clear_image(src, 0);
fill_rect(src, 1, 1, 2, 2, 4);
base::UniquePtr<Image> dst(Image::create(IMAGE_RGB, 4, 4));
clear_image(dst, 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, doc->sprite(), frame_t(0),
gfx::Clip(1, 1, 0, 0, 2, 2));
EXPECT_4X4_PIXELS(dst,
0, 0, 0, 0,
0, 1, 2, 0,
0, 2, 4, 0,
0, 0, 0, 0);
}
TEST(Render, BugWithMultiplesOf3ZoomFactors)
{
Context ctx;
Document* doc = ctx.documents().add(4, 4, ColorMode::RGB);
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) {
base::UniquePtr<Image> dst(Image::create(IMAGE_RGB, 4*zoom, 4*zoom));
clear_image(dst, 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, 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, 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;
}
}
}
}
}
}
int main(int argc, char** argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}