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cputexturemanager_test.cpp
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#include <cputexturemanager.h>
#include <texture.h>
#include <qnanopainter.h>
#include "../common.h"
using namespace scratchcpprender;
class CpuTextureManagerTest : public testing::Test
{
public:
void createContextAndSurface(QOpenGLContext *context, QOffscreenSurface *surface)
{
QSurfaceFormat surfaceFormat;
surfaceFormat.setMajorVersion(4);
surfaceFormat.setMinorVersion(3);
context->setFormat(surfaceFormat);
context->create();
ASSERT_TRUE(context->isValid());
surface->setFormat(surfaceFormat);
surface->create();
ASSERT_TRUE(surface->isValid());
context->makeCurrent(surface);
ASSERT_EQ(QOpenGLContext::currentContext(), context);
}
};
class ImagePainter
{
public:
ImagePainter(QNanoPainter *painter, const QString &fileName)
{
QOpenGLFramebufferObjectFormat format;
format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
m_fbo = std::make_unique<QOpenGLFramebufferObject>(4, 6, format);
paint(painter, fileName);
}
void paint(QNanoPainter *painter, const QString &fileName)
{
// Begin painting
m_fbo->bind();
painter->beginFrame(m_fbo->width(), m_fbo->height());
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
// Paint
QNanoImage image = QNanoImage::fromCache(painter, fileName);
painter->drawImage(image, 0, 0);
painter->endFrame();
m_fbo->release();
}
~ImagePainter() { m_fbo->release(); }
QOpenGLFramebufferObject *fbo() const { return m_fbo.get(); };
private:
std::unique_ptr<QOpenGLFramebufferObject> m_fbo;
};
TEST_F(CpuTextureManagerTest, TextureDataAndHullPoints)
{
static const GLubyte refData1[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 0, 255, 255, 255, 128, 128, 255, 0, 0, 0, 0, 0, 0, 128, 255, 0, 0, 0, 0, 87, 149, 87, 149,
0, 0, 0, 0, 128, 0, 128, 255, 128, 128, 255, 255, 128, 128, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
static const GLubyte refData2[] = {
0, 0, 57, 255, 10, 0, 50, 255, 43, 0, 35, 255, 60, 0, 28, 255, 0, 0, 55, 255, 39, 15, 73, 255, 137, 85, 133, 255, 207, 142, 182, 255,
10, 0, 50, 255, 23, 4, 50, 255, 4, 0, 7, 255, 204, 204, 196, 255, 11, 0, 35, 255, 59, 46, 76, 255, 135, 146, 140, 255, 99, 123, 99, 255,
4, 0, 12, 255, 1, 0, 7, 255, 0, 1, 0, 255, 0, 3, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255
};
static const std::vector<QPoint> refHullPoints1 = { { 1, 1 }, { 1, 3 }, { 3, 3 }, { 3, 1 } };
static const std::vector<QPoint> refHullPoints2 = { { 0, 0 }, { 0, 5 }, { 3, 5 }, { 3, 0 } };
static const std::vector<QPoint> refHullPoints3 = { { 1, 0 }, { 1, 3 }, { 2, 3 }, { 3, 2 }, { 3, 0 } };
// Create OpenGL context
QOpenGLContext context;
QOffscreenSurface surface;
createContextAndSurface(&context, &surface);
// Paint images
QNanoPainter painter;
ImagePainter imgPainter1(&painter, "image.png");
ImagePainter imgPainter2(&painter, "image.jpg");
// Read texture data
CpuTextureManager manager;
std::vector<QPoint> hullPoints;
for (int i = 0; i < 2; i++) {
Texture texture1(imgPainter1.fbo()->texture(), imgPainter1.fbo()->size());
GLubyte *data = manager.getTextureData(texture1);
ASSERT_EQ(memcmp(data, refData1, 96), 0);
manager.getTextureConvexHullPoints(texture1, QSize(), ShaderManager::Effect::NoEffect, {}, hullPoints);
ASSERT_EQ(hullPoints, refHullPoints1);
Texture texture2(imgPainter2.fbo()->texture(), imgPainter2.fbo()->size());
data = manager.getTextureData(texture2);
ASSERT_EQ(memcmp(data, refData2, 96), 0);
manager.getTextureConvexHullPoints(texture2, QSize(), ShaderManager::Effect::NoEffect, {}, hullPoints);
ASSERT_EQ(hullPoints, refHullPoints2);
// Shape-changing effects
auto mask = ShaderManager::Effect::Fisheye | ShaderManager::Effect::Whirl;
const std::unordered_map<ShaderManager::Effect, double> effects = { { ShaderManager::Effect::Fisheye, 20 }, { ShaderManager::Effect::Whirl, 50 } };
manager.getTextureConvexHullPoints(texture1, texture1.size(), mask, effects, hullPoints);
ASSERT_EQ(hullPoints, refHullPoints3);
}
// Test removeTexture()
imgPainter1.paint(&painter, "image.jpg");
Texture texture(imgPainter1.fbo()->texture(), imgPainter1.fbo()->size());
GLubyte *data = manager.getTextureData(texture);
ASSERT_EQ(memcmp(data, refData1, 96), 0);
manager.getTextureConvexHullPoints(texture, QSize(), ShaderManager::Effect::NoEffect, {}, hullPoints);
ASSERT_EQ(hullPoints, refHullPoints1);
manager.removeTexture(texture);
data = manager.getTextureData(texture);
ASSERT_EQ(memcmp(data, refData2, 96), 0);
manager.getTextureConvexHullPoints(texture, QSize(), ShaderManager::Effect::NoEffect, {}, hullPoints);
ASSERT_EQ(hullPoints, refHullPoints2);
// Cleanup
emit context.aboutToBeDestroyed();
context.doneCurrent();
}
TEST_F(CpuTextureManagerTest, GetPointColor)
{
// Create OpenGL context
QOpenGLContext context;
QOffscreenSurface surface;
createContextAndSurface(&context, &surface);
// Paint
QNanoPainter painter;
ImagePainter imgPainter(&painter, "image.png");
// Read texture data
Texture texture(imgPainter.fbo()->texture(), imgPainter.fbo()->size());
// Test
CpuTextureManager manager;
auto mask = ShaderManager::Effect::NoEffect;
ASSERT_EQ(manager.getPointColor(texture, 0, 0, mask, {}), qRgba(0, 0, 0, 0));
ASSERT_EQ(manager.getPointColor(texture, 1, 0, mask, {}), qRgba(0, 0, 0, 0));
ASSERT_EQ(manager.getPointColor(texture, 2, 0, mask, {}), qRgba(0, 0, 0, 0));
ASSERT_EQ(manager.getPointColor(texture, 3, 0, mask, {}), qRgba(0, 0, 0, 0));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 0, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1.4, 1.25 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 2, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3, 1 }, mask, {}));
ASSERT_EQ(manager.getPointColor(texture, 0, 1, mask, {}), qRgba(0, 0, 0, 0));
ASSERT_EQ(manager.getPointColor(texture, 1, 1, mask, {}), qRgb(0, 0, 255));
ASSERT_EQ(manager.getPointColor(texture, 2, 1, mask, {}), qRgb(255, 0, 255));
ASSERT_EQ(manager.getPointColor(texture, 3, 1, mask, {}), qRgb(255, 128, 128));
std::unordered_map<ShaderManager::Effect, double> effects = { { ShaderManager::Effect::Color, 50 } };
mask = ShaderManager::Effect::Color;
ASSERT_EQ(manager.getPointColor(texture, 1, 1, mask, effects), qRgb(255, 0, 128));
ASSERT_EQ(manager.getPointColor(texture, 2, 1, mask, effects), qRgb(255, 128, 0));
ASSERT_EQ(manager.getPointColor(texture, 3, 1, mask, effects), qRgb(192, 255, 128));
// TODO: Test point transform (graphic effects that change shape)
// Cleanup
emit context.aboutToBeDestroyed();
context.doneCurrent();
}
TEST_F(CpuTextureManagerTest, TextureContainsPoint)
{
// Create OpenGL context
QOpenGLContext context;
QOffscreenSurface surface;
createContextAndSurface(&context, &surface);
// Paint
QNanoPainter painter;
ImagePainter imgPainter(&painter, "image.png");
// Read texture data
Texture texture(imgPainter.fbo()->texture(), imgPainter.fbo()->size());
// Test
CpuTextureManager manager;
auto mask = ShaderManager::Effect::NoEffect;
ASSERT_FALSE(manager.textureContainsPoint(texture, { 0, 0 }, mask, {}));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 1, 0 }, mask, {}));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 2, 0 }, mask, {}));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 3, 0 }, mask, {}));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 0, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1.4, 1.25 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 2, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3, 1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1, 2 }, mask, {}));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 2, 2 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3, 2 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3.5, 2.1 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1, 3 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 2, 3 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3, 3 }, mask, {}));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 3.3, 3.5 }, mask, {}));
mask = ShaderManager::Effect::Whirl;
const std::unordered_map<ShaderManager::Effect, double> effects = { { ShaderManager::Effect::Whirl, 100 } };
ASSERT_TRUE(manager.textureContainsPoint(texture, { 1, 3 }, mask, effects));
ASSERT_TRUE(manager.textureContainsPoint(texture, { 2, 3 }, mask, effects));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 3, 3 }, mask, effects));
ASSERT_FALSE(manager.textureContainsPoint(texture, { 3.3, 3.5 }, mask, effects));
// Cleanup
emit context.aboutToBeDestroyed();
context.doneCurrent();
}