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Support pixelRatio parameter for render tests

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This commit is contained in:
John Firebaugh
2014-09-22 14:05:15 -07:00
parent 896379daa5
commit 4b98870e99
3 changed files with 15 additions and 7 deletions
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5
common/headless_view.cpp
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@@ -65,9 +65,12 @@ HeadlessView::HeadlessView() {
}
void HeadlessView::resize(int width, int height) {
void HeadlessView::resize(uint16_t width, uint16_t height, float pixelRatio) {
clear_buffers();
width *= pixelRatio;
height *= pixelRatio;
#if MBGL_USE_CGL
make_active();

2
common/headless_view.hpp
View File

@@ -19,7 +19,7 @@ public:
HeadlessView();
~HeadlessView();
void resize(int width, int height);
void resize(uint16_t width, uint16_t height, float pixelRatio);
void notify_map_change(MapChange change, timestamp delay = 0);
void make_active();

15
test/headless.cpp
View File

@@ -65,6 +65,8 @@ TEST_P(HeadlessTest, render) {
const double longitude = value.HasMember("center") ? value["center"][rapidjson::SizeType(1)].GetDouble() : 0;
const unsigned int width = value.HasMember("width") ? value["width"].GetUint() : 512;
const unsigned int height = value.HasMember("height") ? value["height"].GetUint() : 512;
const unsigned int pixelRatio = value.HasMember("pixelRatio") ? value["pixelRatio"].GetUint() : 1;
std::vector<std::string> classes;
if (value.HasMember("classes")) {
const rapidjson::Value &js_classes = value["classes"];
@@ -82,18 +84,21 @@ TEST_P(HeadlessTest, render) {
map.setStyleJSON(style, base_directory);
map.setAppliedClasses(classes);
view.resize(width, height);
map.resize(width, height);
view.resize(width, height, pixelRatio);
map.resize(width, height, pixelRatio);
map.setLonLatZoom(longitude, latitude, zoom);
map.setBearing(bearing);
// Run the loop. It will terminate when we don't have any further listeners.
map.run();
const std::unique_ptr<uint32_t[]> pixels(new uint32_t[width * height]);
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels.get());
const unsigned int w = width * pixelRatio;
const unsigned int h = height * pixelRatio;
const std::string image = util::compress_png(width, height, pixels.get(), true);
const std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]);
glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels.get());
const std::string image = util::compress_png(w, h, pixels.get(), true);
util::write_file(actual_image, image);
}
}