diff options
Diffstat (limited to 'platform/macos/src/MGLMapView.mm')
| -rw-r--r-- | platform/macos/src/MGLMapView.mm | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/platform/macos/src/MGLMapView.mm b/platform/macos/src/MGLMapView.mm index 8fae1e0174..13ec4508dc 100644 --- a/platform/macos/src/MGLMapView.mm +++ b/platform/macos/src/MGLMapView.mm @@ -2523,18 +2523,18 @@ public: [NSOpenGLContext clearCurrentContext]; } - mbgl::PremultipliedImage readStillImage() override { - auto size = getFramebufferSize(); - const unsigned int w = size[0]; - const unsigned int h = size[1]; - - mbgl::PremultipliedImage image { w, h }; - MBGL_CHECK_ERROR(glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, image.data.get())); + mbgl::PremultipliedImage readStillImage(std::array<uint16_t, 2> size = {{ 0, 0 }}) override { + if (!size[0] || !size[1]) { + size = getFramebufferSize(); + } + + mbgl::PremultipliedImage image { size[0], size[1] }; + MBGL_CHECK_ERROR(glReadPixels(0, 0, size[0], size[1], GL_RGBA, GL_UNSIGNED_BYTE, image.data.get())); const size_t stride = image.stride(); auto tmp = std::make_unique<uint8_t[]>(stride); uint8_t *rgba = image.data.get(); - for (int i = 0, j = h - 1; i < j; i++, j--) { + for (int i = 0, j = size[1] - 1; i < j; i++, j--) { std::memcpy(tmp.get(), rgba + i * stride, stride); std::memcpy(rgba + i * stride, rgba + j * stride, stride); std::memcpy(rgba + j * stride, tmp.get(), stride); |