Files
MapLibreParticleLab/test/sprite/sprite_image.cpp
Ansis Brammanis d34f8eb674 [core][ios][osx][android] make SpriteImage accept PremultipliedImage
the SpriteImage constructor signature changes from

SpriteImage(
        uint16_t width, uint16_t height, float pixelRatio,
        std::string&& data, bool sdf = false);

to

SpriteImage(PremultipliedImage&&, float pixelRatio, bool sdf = false)
2016-01-19 18:23:21 -08:00

58 lines
1.7 KiB
C++

#include "../fixtures/util.hpp"
#include <mbgl/sprite/sprite_image.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/exception.hpp>
using namespace mbgl;
TEST(Sprite, SpriteImageZeroWidth) {
PremultipliedImage image(0, 16);
try {
SpriteImage(std::move(image), 2.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
}
}
TEST(Sprite, SpriteImageZeroHeight) {
PremultipliedImage image(16, 0);
try {
SpriteImage(std::move(image), 2.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
}
}
TEST(Sprite, SpriteImageZeroRatio) {
PremultipliedImage image(16, 16);
try {
SpriteImage(std::move(image), 0.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite pixelRatio may not be <= 0", ex.what());
}
}
TEST(Sprite, SpriteImage) {
PremultipliedImage image(32, 24);
SpriteImage sprite(std::move(image), 2.0);
EXPECT_EQ(16, sprite.getWidth());
EXPECT_EQ(32, sprite.image.width);
EXPECT_EQ(12, sprite.getHeight());
EXPECT_EQ(24, sprite.image.height);
EXPECT_EQ(2, sprite.pixelRatio);
}
TEST(Sprite, SpriteImageFractionalRatio) {
PremultipliedImage image(20, 12);
SpriteImage sprite(std::move(image), 1.5);
EXPECT_EQ(float(20.0 / 1.5), sprite.getWidth());
EXPECT_EQ(20, sprite.image.width);
EXPECT_EQ(float(12.0 / 1.5), sprite.getHeight());
EXPECT_EQ(12, sprite.image.height);
EXPECT_EQ(1.5, sprite.pixelRatio);
}