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-rw-r--r--include/mbgl/util/image.hpp65
-rw-r--r--include/mbgl/util/size.hpp4
m---------mapbox-gl-js0
-rw-r--r--src/mbgl/renderer/frame_history.cpp2
-rw-r--r--src/mbgl/renderer/frame_history.hpp2
-rw-r--r--src/mbgl/sprite/sprite_atlas.cpp56
-rw-r--r--src/mbgl/sprite/sprite_parser.cpp11
-rw-r--r--src/mbgl/text/glyph.hpp3
-rw-r--r--src/mbgl/text/glyph_atlas.cpp36
-rw-r--r--src/mbgl/text/glyph_atlas.hpp2
-rw-r--r--src/mbgl/text/glyph_pbf.cpp46
-rw-r--r--test/fixtures/sprite_atlas/basic/expected.pngbin1124 -> 694 bytes
-rw-r--r--test/text/glyph_atlas.test.cpp15
-rw-r--r--test/text/glyph_pbf.test.cpp8
-rw-r--r--test/util/image.test.cpp29
15 files changed, 163 insertions, 116 deletions
diff --git a/include/mbgl/util/image.hpp b/include/mbgl/util/image.hpp
index 2de7646837..5d1462e7c4 100644
--- a/include/mbgl/util/image.hpp
+++ b/include/mbgl/util/image.hpp
@@ -1,6 +1,7 @@
#pragma once
#include <mbgl/util/noncopyable.hpp>
+#include <mbgl/util/geometry.hpp>
#include <mbgl/util/size.hpp>
#include <string>
@@ -24,6 +25,15 @@ public:
: size(std::move(size_)),
data(std::make_unique<uint8_t[]>(bytes())) {}
+ Image(Size size_, const uint8_t* srcData, std::size_t srcLength)
+ : size(std::move(size_)) {
+ if (srcLength != bytes()) {
+ throw std::invalid_argument("mismatched image size");
+ }
+ data = std::make_unique<uint8_t[]>(bytes());
+ std::copy(srcData, srcData + srcLength, data.get());
+ }
+
Image(Size size_, std::unique_ptr<uint8_t[]> data_)
: size(std::move(size_)),
data(std::move(data_)) {}
@@ -38,10 +48,13 @@ public:
return *this;
}
- bool operator==(const Image& rhs) const {
- return size == rhs.size &&
- std::equal(data.get(), data.get() + bytes(), rhs.data.get(),
- rhs.data.get() + rhs.bytes());
+ friend bool operator==(const Image& lhs, const Image& rhs) {
+ return std::equal(lhs.data.get(), lhs.data.get() + lhs.bytes(),
+ rhs.data.get(), rhs.data.get() + rhs.bytes());
+ }
+
+ friend bool operator!=(const Image& lhs, const Image& rhs) {
+ return !(lhs == rhs);
}
bool valid() const {
@@ -58,6 +71,50 @@ public:
size_t stride() const { return channels * size.width; }
size_t bytes() const { return stride() * size.height; }
+ void fill(uint8_t value) {
+ std::fill(data.get(), data.get() + bytes(), value);
+ }
+
+ // Copy image data within `rect` from `src` to the rectangle of the same size at `pt`
+ // in `dst`. If the specified bounds exceed the bounds of the source or destination,
+ // throw `std::out_of_range`. Must not be used to move data within a single Image.
+ static void copy(const Image& srcImg, Image& dstImg, const Point<uint32_t>& srcPt, const Point<uint32_t>& dstPt, const Size& size) {
+ if (!srcImg.valid()) {
+ throw std::invalid_argument("invalid source for image copy");
+ }
+
+ if (!dstImg.valid()) {
+ throw std::invalid_argument("invalid destination for image copy");
+ }
+
+ if (size.width > srcImg.size.width ||
+ size.height > srcImg.size.height ||
+ srcPt.x > srcImg.size.width - size.width ||
+ srcPt.y > srcImg.size.height - size.height) {
+ throw std::out_of_range("out of range source coordinates for image copy");
+ }
+
+ if (size.width > dstImg.size.width ||
+ size.height > dstImg.size.height ||
+ dstPt.x > dstImg.size.width - size.width ||
+ dstPt.y > dstImg.size.height - size.height) {
+ throw std::out_of_range("out of range destination coordinates for image copy");
+ }
+
+ const uint8_t* srcData = srcImg.data.get();
+ uint8_t* dstData = dstImg.data.get();
+
+ assert(srcData != dstData);
+
+ for (uint32_t y = 0; y < size.height; y++) {
+ const std::size_t srcOffset = (srcPt.y + y) * srcImg.stride() + srcPt.x * channels;
+ const std::size_t dstOffset = (dstPt.y + y) * dstImg.stride() + dstPt.x * channels;
+ std::copy(srcData + srcOffset,
+ srcData + srcOffset + size.width * channels,
+ dstData + dstOffset);
+ }
+ }
+
Size size;
static constexpr size_t channels = Mode == ImageAlphaMode::Exclusive ? 1 : 4;
std::unique_ptr<uint8_t[]> data;
diff --git a/include/mbgl/util/size.hpp b/include/mbgl/util/size.hpp
index 1af85bcff5..79679a92fb 100644
--- a/include/mbgl/util/size.hpp
+++ b/include/mbgl/util/size.hpp
@@ -13,6 +13,10 @@ public:
constexpr Size(const uint32_t width_, const uint32_t height_) : width(width_), height(height_) {
}
+ constexpr uint32_t area() const {
+ return width * height;
+ }
+
constexpr explicit operator bool() const {
return width > 0 && height > 0;
}
diff --git a/mapbox-gl-js b/mapbox-gl-js
-Subproject 69de96f53ee41f0e2b8804491d236f0b1fe1a3c
+Subproject dee3911a7b5a1e8b2333d133a162af388673d1b
diff --git a/src/mbgl/renderer/frame_history.cpp b/src/mbgl/renderer/frame_history.cpp
index 1ee53d87b2..a933a9004a 100644
--- a/src/mbgl/renderer/frame_history.cpp
+++ b/src/mbgl/renderer/frame_history.cpp
@@ -8,7 +8,7 @@ namespace mbgl {
FrameHistory::FrameHistory() {
changeOpacities.fill(0);
- std::fill(opacities.data.get(), opacities.data.get() + opacities.bytes(), 0);
+ opacities.fill(0);
}
void FrameHistory::record(const TimePoint& now, float zoom, const Duration& duration) {
diff --git a/src/mbgl/renderer/frame_history.hpp b/src/mbgl/renderer/frame_history.hpp
index fffbd113ed..f2b11f5f41 100644
--- a/src/mbgl/renderer/frame_history.hpp
+++ b/src/mbgl/renderer/frame_history.hpp
@@ -26,7 +26,7 @@ public:
private:
std::array<TimePoint, 256> changeTimes;
std::array<uint8_t, 256> changeOpacities;
- const AlphaImage opacities{ { 256, 1 } };
+ AlphaImage opacities{ { 256, 1 } };
int16_t previousZoomIndex = 0;
TimePoint previousTime;
diff --git a/src/mbgl/sprite/sprite_atlas.cpp b/src/mbgl/sprite/sprite_atlas.cpp
index ea055ce5ec..61c074a942 100644
--- a/src/mbgl/sprite/sprite_atlas.cpp
+++ b/src/mbgl/sprite/sprite_atlas.cpp
@@ -231,52 +231,32 @@ optional<SpriteAtlasPosition> SpriteAtlas::getPosition(const std::string& name,
};
}
-void copyBitmap(const uint32_t *src, const uint32_t srcStride, const uint32_t srcX, const uint32_t srcY,
- uint32_t *const dst, const uint32_t dstStride, const uint32_t dstX, const uint32_t dstY, int dstSize,
- const int width, const int height, const SpritePatternMode mode) {
-
- int srcI = srcY * srcStride + srcX;
- int dstI = dstY * dstStride + dstX;
- int x, y;
-
- if (mode == SpritePatternMode::Repeating) {
- // add 1 pixel wrapped padding on each side of the image
- dstI -= dstStride;
- for (y = -1; y <= height; y++, srcI = ((y + height) % height + srcY) * srcStride + srcX, dstI += dstStride) {
- for (x = -1; x <= width; x++) {
- const int dstIndex = (dstI + x + dstSize) % dstSize;
- dst[dstIndex] = src[srcI + ((x + width) % width)];
- }
- }
-
- } else {
- for (y = 0; y < height; y++, srcI += srcStride, dstI += dstStride) {
- for (x = 0; x < width; x++) {
- const int dstIndex = (dstI + x + dstSize) % dstSize;
- dst[dstIndex] = src[srcI + x];
- }
- }
- }
-}
-
void SpriteAtlas::copy(const Holder& holder, const SpritePatternMode mode) {
if (!image.valid()) {
image = PremultipliedImage({ static_cast<uint32_t>(std::ceil(size.width * pixelRatio)),
static_cast<uint32_t>(std::ceil(size.height * pixelRatio)) });
- std::fill(image.data.get(), image.data.get() + image.bytes(), 0);
+ image.fill(0);
+ }
+
+ if (!holder.spriteImage->image.valid()) {
+ return;
}
- const uint32_t* srcData =
- reinterpret_cast<const uint32_t*>(holder.spriteImage->image.data.get());
- if (!srcData) return;
- uint32_t* const dstData = reinterpret_cast<uint32_t*>(image.data.get());
+ const uint32_t padding = 1;
+ const uint32_t x = (holder.pos.x + padding) * pixelRatio;
+ const uint32_t y = (holder.pos.y + padding) * pixelRatio;
+ const uint32_t w = holder.spriteImage->image.size.width;
+ const uint32_t h = holder.spriteImage->image.size.height;
- const int padding = 1;
+ PremultipliedImage::copy(holder.spriteImage->image, image, { 0, 0 }, { x, y }, { w, h });
- copyBitmap(srcData, holder.spriteImage->image.size.width, 0, 0, dstData, image.size.width,
- (holder.pos.x + padding) * pixelRatio, (holder.pos.y + padding) * pixelRatio,
- image.size.width * image.size.height, holder.spriteImage->image.size.width,
- holder.spriteImage->image.size.height, mode);
+ if (mode == SpritePatternMode::Repeating) {
+ // Add 1 pixel wrapped padding on each side of the image.
+ PremultipliedImage::copy(holder.spriteImage->image, image, { 0, h - 1 }, { x, y - 1 }, { w, 1 }); // T
+ PremultipliedImage::copy(holder.spriteImage->image, image, { 0, 0 }, { x, y + h }, { w, 1 }); // B
+ PremultipliedImage::copy(holder.spriteImage->image, image, { w - 1, 0 }, { x - 1, y }, { 1, h }); // L
+ PremultipliedImage::copy(holder.spriteImage->image, image, { 0, 0 }, { x + w, y }, { 1, h }); // R
+ }
dirty = true;
}
diff --git a/src/mbgl/sprite/sprite_parser.cpp b/src/mbgl/sprite/sprite_parser.cpp
index 9de8515e14..66b5ec0606 100644
--- a/src/mbgl/sprite/sprite_parser.cpp
+++ b/src/mbgl/sprite/sprite_parser.cpp
@@ -34,17 +34,8 @@ SpriteImagePtr createSpriteImage(const PremultipliedImage& image,
PremultipliedImage dstImage({ width, height });
- auto srcData = reinterpret_cast<const uint32_t*>(image.data.get());
- auto dstData = reinterpret_cast<uint32_t*>(dstImage.data.get());
-
// Copy from the source image into our individual sprite image
- for (uint32_t y = 0; y < height; ++y) {
- const auto dstRow = y * width;
- const auto srcRow = (y + srcY) * image.size.width + srcX;
- for (uint32_t x = 0; x < width; ++x) {
- dstData[dstRow + x] = srcData[srcRow + x];
- }
- }
+ PremultipliedImage::copy(image, dstImage, { srcX, srcY }, { 0, 0 }, { width, height });
return std::make_unique<const SpriteImage>(std::move(dstImage), ratio, sdf);
}
diff --git a/src/mbgl/text/glyph.hpp b/src/mbgl/text/glyph.hpp
index c89d045dfc..78ea613cd3 100644
--- a/src/mbgl/text/glyph.hpp
+++ b/src/mbgl/text/glyph.hpp
@@ -3,6 +3,7 @@
#include <mbgl/text/glyph_range.hpp>
#include <mbgl/util/rect.hpp>
#include <mbgl/util/traits.hpp>
+#include <mbgl/util/image.hpp>
#include <cstdint>
#include <vector>
@@ -89,7 +90,7 @@ public:
uint32_t id = 0;
// A signed distance field of the glyph with a border (see above).
- std::string bitmap;
+ AlphaImage bitmap;
// Glyph metrics
GlyphMetrics metrics;
diff --git a/src/mbgl/text/glyph_atlas.cpp b/src/mbgl/text/glyph_atlas.cpp
index dc1fe2b1d9..88b319366d 100644
--- a/src/mbgl/text/glyph_atlas.cpp
+++ b/src/mbgl/text/glyph_atlas.cpp
@@ -124,48 +124,26 @@ Rect<uint16_t> GlyphAtlas::addGlyph(uintptr_t tileUID,
return Rect<uint16_t>{ 0, 0, 0, 0 };
}
- uint16_t buffered_width = glyph.metrics.width + SDFGlyph::borderSize * 2;
- uint16_t buffered_height = glyph.metrics.height + SDFGlyph::borderSize * 2;
-
- // Guard against mismatches between the glyph bitmap size and the size mandated by
- // its metrics.
- if (size_t(buffered_width * buffered_height) != glyph.bitmap.size()) {
- return Rect<uint16_t>{ 0, 0, 0, 0 };
- }
-
// Add a 1px border around every image.
- const uint16_t padding = 1;
- uint16_t pack_width = buffered_width + 2 * padding;
- uint16_t pack_height = buffered_height + 2 * padding;
+ const uint32_t padding = 1;
+ uint16_t width = glyph.bitmap.size.width + 2 * padding;
+ uint16_t height = glyph.bitmap.size.height + 2 * padding;
// Increase to next number divisible by 4, but at least 1.
// This is so we can scale down the texture coordinates and pack them
// into 2 bytes rather than 4 bytes.
- pack_width += (4 - pack_width % 4);
- pack_height += (4 - pack_height % 4);
+ width += (4 - width % 4);
+ height += (4 - height % 4);
- Rect<uint16_t> rect = bin.allocate(pack_width, pack_height);
+ Rect<uint16_t> rect = bin.allocate(width, height);
if (rect.w == 0) {
Log::Error(Event::OpenGL, "glyph bitmap overflow");
return rect;
}
- // Verify that binpack didn't produce a rect that goes beyond the size of the image.
- // This should never happen.
- assert(rect.x + rect.w <= image.size.width);
- assert(rect.y + rect.h <= image.size.height);
-
face.emplace(glyph.id, GlyphValue { rect, tileUID });
- // Copy the bitmap
- const uint8_t* source = reinterpret_cast<const uint8_t*>(glyph.bitmap.data());
- for (uint32_t y = 0; y < buffered_height; y++) {
- uint32_t y1 = image.size.width * (rect.y + y + padding) + rect.x + padding;
- uint32_t y2 = buffered_width * y;
- for (uint32_t x = 0; x < buffered_width; x++) {
- image.data[y1 + x] = source[y2 + x];
- }
- }
+ AlphaImage::copy(glyph.bitmap, image, { 0, 0 }, { rect.x + padding, rect.y + padding }, glyph.bitmap.size);
dirty = true;
diff --git a/src/mbgl/text/glyph_atlas.hpp b/src/mbgl/text/glyph_atlas.hpp
index af14aace5b..84f29aeb73 100644
--- a/src/mbgl/text/glyph_atlas.hpp
+++ b/src/mbgl/text/glyph_atlas.hpp
@@ -101,7 +101,7 @@ private:
std::mutex mtx;
BinPack<uint16_t> bin;
std::unordered_map<FontStack, std::map<uint32_t, GlyphValue>, FontStackHash> index;
- const AlphaImage image;
+ AlphaImage image;
std::atomic<bool> dirty;
mbgl::optional<gl::Texture> texture;
};
diff --git a/src/mbgl/text/glyph_pbf.cpp b/src/mbgl/text/glyph_pbf.cpp
index cdeac57984..5c57d278db 100644
--- a/src/mbgl/text/glyph_pbf.cpp
+++ b/src/mbgl/text/glyph_pbf.cpp
@@ -25,6 +25,7 @@ void parseGlyphPBF(GlyphSet& glyphSet, const GlyphRange& glyphRange, const std::
auto glyph_pbf = fontstack_pbf.get_message();
SDFGlyph glyph;
+ protozero::data_view glyphData;
bool hasID = false, hasWidth = false, hasHeight = false, hasLeft = false,
hasTop = false, hasAdvance = false;
@@ -36,7 +37,7 @@ void parseGlyphPBF(GlyphSet& glyphSet, const GlyphRange& glyphRange, const std::
hasID = true;
break;
case 2: // bitmap
- glyph.bitmap = glyph_pbf.get_string();
+ glyphData = glyph_pbf.get_view();
break;
case 3: // width
glyph.metrics.width = glyph_pbf.get_uint32();
@@ -64,26 +65,35 @@ void parseGlyphPBF(GlyphSet& glyphSet, const GlyphRange& glyphRange, const std::
}
}
+ // Only treat this glyph as a correct glyph if it has all required fields. It also
+ // needs to satisfy a few metrics conditions that ensure that the glyph isn't bogus.
+ // All other glyphs are malformed. We're also discarding all glyphs that are outside
+ // the expected glyph range.
+ if (!hasID || !hasWidth || !hasHeight || !hasLeft || !hasTop || !hasAdvance ||
+ glyph.metrics.width >= 256 || glyph.metrics.height >= 256 ||
+ glyph.metrics.left < -128 || glyph.metrics.left >= 128 ||
+ glyph.metrics.top < -128 || glyph.metrics.top >= 128 ||
+ glyph.metrics.advance >= 256 ||
+ glyph.id < glyphRange.first || glyph.id > glyphRange.second) {
+ continue;
+ }
+
// If the area of width/height is non-zero, we need to adjust the expected size
// with the implicit border size, otherwise we expect there to be no bitmap at all.
- const uint32_t expectedBitmapSize =
- glyph.metrics.width && glyph.metrics.height
- ? (glyph.metrics.width + 2 * SDFGlyph::borderSize) *
- (glyph.metrics.height + 2 * SDFGlyph::borderSize)
- : 0;
-
- // Only treat this glyph as a correct glyph if it has all required fields, and if
- // the bitmap has the correct length. It also needs to satisfy a few metrics conditions
- // that ensure that the glyph isn't bogus. All other glyphs are malformed.
- // We're also discarding all glyphs that are outside the expected glyph range.
- if (hasID && hasWidth && hasHeight && hasLeft && hasTop && hasAdvance &&
- glyph.metrics.width < 256 && glyph.metrics.height < 256 &&
- glyph.metrics.left >= -128 && glyph.metrics.left < 128 &&
- glyph.metrics.top >= -128 && glyph.metrics.top < 128 &&
- glyph.metrics.advance < 256 && glyph.bitmap.size() == expectedBitmapSize &&
- glyph.id >= glyphRange.first && glyph.id <= glyphRange.second) {
- glyphSet.insert(glyph.id, std::move(glyph));
+ if (glyph.metrics.width && glyph.metrics.height) {
+ const Size size {
+ glyph.metrics.width + 2 * SDFGlyph::borderSize,
+ glyph.metrics.height + 2 * SDFGlyph::borderSize
+ };
+
+ if (size.area() != glyphData.size()) {
+ continue;
+ }
+
+ glyph.bitmap = AlphaImage(size, reinterpret_cast<const uint8_t*>(glyphData.data()), glyphData.size());
}
+
+ glyphSet.insert(glyph.id, std::move(glyph));
}
}
}
diff --git a/test/fixtures/sprite_atlas/basic/expected.png b/test/fixtures/sprite_atlas/basic/expected.png
index e886e060fe..cd13d16df6 100644
--- a/test/fixtures/sprite_atlas/basic/expected.png
+++ b/test/fixtures/sprite_atlas/basic/expected.png
Binary files differ
diff --git a/test/text/glyph_atlas.test.cpp b/test/text/glyph_atlas.test.cpp
index e229cd117b..1ad2af9d82 100644
--- a/test/text/glyph_atlas.test.cpp
+++ b/test/text/glyph_atlas.test.cpp
@@ -145,16 +145,12 @@ TEST(GlyphAtlas, LoadingCancel) {
TEST(GlyphAtlas, InvalidSDFGlyph) {
GlyphSet glyphSet;
- glyphSet.insert(65, SDFGlyph{ 65 /* ASCII 'A' */,
- "x" /* bitmap is too short */,
- { 1 /* width */, 1 /* height */, 0 /* left */, 0 /* top */,
- 0 /* advance */ } });
glyphSet.insert(66, SDFGlyph{ 66 /* ASCII 'B' */,
- std::string(7 * 7, 'x'), /* correct */
+ AlphaImage({7, 7}), /* correct */
{ 1 /* width */, 1 /* height */, 0 /* left */, 0 /* top */,
0 /* advance */ } });
glyphSet.insert(67, SDFGlyph{ 67 /* ASCII 'C' */,
- std::string(518 * 8, 'x'), /* correct */
+ AlphaImage({518, 8}), /* correct */
{ 512 /* width */, 2 /* height */, 0 /* left */, 0 /* top */,
0 /* advance */ } });
@@ -165,11 +161,10 @@ TEST(GlyphAtlas, InvalidSDFGlyph) {
GlyphPositions positions;
test.glyphAtlas.addGlyphs(1, std::u16string{u"ABC"}, fontStack, glyphSet, positions);
- ASSERT_EQ(3u, positions.size());
+ ASSERT_EQ(2u, positions.size());
- // 'A' was not placed because the bitmap size is invalid.
- ASSERT_NE(positions.end(), positions.find(65));
- ASSERT_EQ((Rect<uint16_t>{ 0, 0, 0, 0 }), positions[65].rect);
+ // 'A' was not placed because not in the glyph set.
+ ASSERT_EQ(positions.end(), positions.find(65));
// 'B' was placed at the top left.
ASSERT_NE(positions.end(), positions.find(66));
diff --git a/test/text/glyph_pbf.test.cpp b/test/text/glyph_pbf.test.cpp
index 1e28dfbc31..be3ca3359b 100644
--- a/test/text/glyph_pbf.test.cpp
+++ b/test/text/glyph_pbf.test.cpp
@@ -44,15 +44,17 @@ TEST(GlyphPBF, Parsing) {
glyphAtlasObserver.glyphsLoaded = [&](const FontStack&, const GlyphRange&) {
loop.stop();
- auto sdfs = glyphAtlas.getGlyphSet(fontStack)->getSDFs();
+ const auto& sdfs = glyphAtlas.getGlyphSet(fontStack)->getSDFs();
// The fake glyphs don't contain a glyph that has the ID 0; it only contains glyphs with
// undefined IDs, but the parser should remove them.
EXPECT_TRUE(sdfs.size() == 1);
EXPECT_TRUE(sdfs.find(69) != sdfs.end());
- auto& sdf = sdfs[69];
- EXPECT_EQ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"s, sdf.bitmap);
+ auto& sdf = sdfs.at(69);
+ AlphaImage expected({7, 7});
+ expected.fill('x');
+ EXPECT_EQ(expected, sdf.bitmap);
EXPECT_EQ(1u, sdf.metrics.width);
EXPECT_EQ(1u, sdf.metrics.height);
EXPECT_EQ(20, sdf.metrics.left);
diff --git a/test/util/image.test.cpp b/test/util/image.test.cpp
index b15ddc1b3f..0cd4a7d8af 100644
--- a/test/util/image.test.cpp
+++ b/test/util/image.test.cpp
@@ -86,6 +86,35 @@ TEST(Image, WebPTile) {
}
#endif // !defined(__ANDROID__) && !defined(__APPLE__) && !defined(QT_IMAGE_DECODERS)
+TEST(Image, Copy) {
+ PremultipliedImage src5({5, 5});
+ PremultipliedImage dst5({5, 5});
+ PremultipliedImage src10({10, 10});
+ PremultipliedImage dst10({10, 10});
+
+ EXPECT_THROW(PremultipliedImage::copy(src5, dst10, {0, 0}, {0, 0}, {6, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src5, dst10, {0, 0}, {0, 0}, {0, 6}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src5, dst10, {1, 1}, {0, 0}, {5, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src5, dst10, {1, 1}, {0, 0}, {0, 5}), std::out_of_range);
+
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst5, {0, 0}, {0, 0}, {6, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst5, {0, 0}, {0, 0}, {0, 6}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst5, {0, 0}, {1, 1}, {5, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst5, {0, 0}, {1, 1}, {0, 5}), std::out_of_range);
+
+ const uint32_t max = std::numeric_limits<uint32_t>::max();
+
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {max, 0}, {0, 0}, {1, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, max}, {0, 0}, {0, 1}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, 0}, {max, 0}, {1, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, 0}, {0, max}, {0, 1}), std::out_of_range);
+
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {1, 0}, {0, 0}, {max, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, 1}, {0, 0}, {0, max}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, 0}, {1, 0}, {max, 0}), std::out_of_range);
+ EXPECT_THROW(PremultipliedImage::copy(src10, dst10, {0, 0}, {0, 1}, {0, max}), std::out_of_range);
+}
+
TEST(Image, Premultiply) {
UnassociatedImage rgba({ 1, 1 });
rgba.data[0] = 255;