lokit: add scale parameter to "renderNextSlideLayer"

When client side change the device pixel ratio.

Signed-off-by: Henry Castro <hcastro@collabora.com>
Change-Id: I6356ff2a2e6513ac835b5f02a755173aafe01dc9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/178580
Reviewed-by: Marco Cecchetti <marco.cecchetti@collabora.com>
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>

5 files changed, 110 insertions, 58 deletions

diff --git a/sd/qa/unit/tiledrendering/tiledrendering.cxx b/sd/qa/unit/tiledrendering/tiledrendering.cxx
index 0683209e687f..e04340817fea 100644
--- a/sd/qa/unit/tiledrendering/tiledrendering.cxx
+++ b/sd/qa/unit/tiledrendering/tiledrendering.cxx
@@ -3279,9 +3279,10 @@ public:
     {
         std::vector<sal_uInt8> pBuffer(mnViewWidth * mnViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         debugWriteImageToFile(mnImageFileStep++, pBuffer, mnViewWidth, mnViewHeight,
                               aJson.toUtf8().getStr());
 
@@ -3303,9 +3304,10 @@ public:
 
         std::vector<sal_uInt8> pBuffer(mnViewWidth * mnViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT_MESSAGE(
-            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT_MESSAGE(sMsg, bIsBitmapLayer);
 
         debugWriteImageToFile(mnImageFileStep++, pBuffer, mnViewWidth, mnViewHeight,
@@ -3343,9 +3345,10 @@ public:
 
         std::vector<sal_uInt8> pBuffer(mnViewWidth * mnViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT_MESSAGE(
-            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT_MESSAGE(sMsg, !bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -3370,9 +3373,10 @@ public:
 
         std::vector<sal_uInt8> pBuffer(mnViewWidth * mnViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT_MESSAGE(
-            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            sMsg, !mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT_MESSAGE(sMsg, bIsBitmapLayer);
 
         debugWriteImageToFile(mnImageFileStep++, pBuffer, mnViewWidth, mnViewHeight,
@@ -3418,9 +3422,10 @@ public:
     {
         std::vector<sal_uInt8> pBuffer(mnViewWidth * mnViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            mpXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 };
@@ -3455,8 +3460,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering)
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(0, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -3473,8 +3479,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering)
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         // TODO - check JSON content
 
@@ -3503,8 +3510,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering)
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         // TODO - check JSON content
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -3533,8 +3541,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering)
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -3570,8 +3579,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         debugWriteImageToFile(0, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
         boost::property_tree::ptree aTree;
@@ -3586,8 +3596,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -3614,8 +3625,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         // TODO - check JSON content
         debugWriteImageToFile(3, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -3645,8 +3657,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(4, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -3674,9 +3687,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -3691,9 +3705,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -3708,8 +3723,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(5, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -3737,8 +3753,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_WithFie
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -3934,8 +3951,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         debugWriteImageToFile(0, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -3957,9 +3975,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -3977,9 +3996,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -3997,9 +4017,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -4017,8 +4038,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         debugWriteImageToFile(1, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4045,8 +4067,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4073,8 +4096,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -4099,8 +4123,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(0, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4124,9 +4149,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -4144,9 +4170,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -4164,9 +4191,10 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = true;
+        double dScale = 1.0;
         OUString aJson;
         CPPUNIT_ASSERT(
-            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+            !pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(!bIsBitmapLayer);
 
         boost::property_tree::ptree aTree;
@@ -4184,8 +4212,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(1, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4209,8 +4238,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4238,8 +4268,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(3, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4267,8 +4298,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(4, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4292,8 +4324,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(bIsBitmapLayer);
 
         debugWriteImageToFile(5, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
@@ -4321,8 +4354,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -4350,8 +4384,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(0, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4372,8 +4407,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(21, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4394,8 +4430,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4423,8 +4460,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(3, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4452,8 +4490,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(4, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4482,8 +4521,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -4511,8 +4551,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(1, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4533,8 +4574,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(2, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4555,8 +4597,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         debugWriteImageToFile(3, pBuffer, nViewWidth, nViewHeight, aJson.toUtf8().getStr());
 
@@ -4585,8 +4628,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
@@ -4614,8 +4658,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         // Remember the hash of the buffer for uniqueness check
         auto aBufferHash = comphelper::Hash::calculateHash(pBuffer.data(), pBuffer.size(), comphelper::HashType::SHA1);
@@ -4640,8 +4685,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         // Remember the hash of the buffer for uniqueness check
         auto aBufferHash = comphelper::Hash::calculateHash(pBuffer.data(), pBuffer.size(), comphelper::HashType::SHA1);
@@ -4666,8 +4712,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(!pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
 
         // Remember the hash of the buffer for uniqueness check
         auto aBufferHash = comphelper::Hash::calculateHash(pBuffer.data(), pBuffer.size(), comphelper::HashType::SHA1);
@@ -4703,8 +4750,9 @@ CPPUNIT_TEST_FIXTURE(SdTiledRenderingTest, testSlideshowLayeredRendering_Animati
     {
         std::vector<sal_uInt8> pBuffer(nViewWidth * nViewHeight * 4);
         bool bIsBitmapLayer = false;
+        double dScale = 1.0;
         OUString aJson;
-        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, aJson));
+        CPPUNIT_ASSERT(pXImpressDocument->renderNextSlideLayer(pBuffer.data(), bIsBitmapLayer, dScale, aJson));
         CPPUNIT_ASSERT(aJson.isEmpty());
     }
 
diff --git a/sd/source/ui/inc/SlideshowLayerRenderer.hxx b/sd/source/ui/inc/SlideshowLayerRenderer.hxx
index 0804dd78edc9..ac2faa645152 100644
--- a/sd/source/ui/inc/SlideshowLayerRenderer.hxx
+++ b/sd/source/ui/inc/SlideshowLayerRenderer.hxx
@@ -201,7 +201,7 @@ public:
      * The properties of the layer are written to the input string in JSON format.
      *
      * @returns false, if nothing was rendered and rendering is done */
-    bool render(unsigned char* pBuffer, bool& bIsBitmapLayer, OString& rJsonMsg);
+    bool render(unsigned char* pBuffer, bool& bIsBitmapLayer, double& scale, OString& rJsonMsg);
 };
 
 } // end of namespace sd
diff --git a/sd/source/ui/inc/unomodel.hxx b/sd/source/ui/inc/unomodel.hxx
index 90134c120681..fcf40e94208d 100644
--- a/sd/source/ui/inc/unomodel.hxx
+++ b/sd/source/ui/inc/unomodel.hxx
@@ -299,7 +299,7 @@ public:
     /// @see vcl::ITiledRenderable::postSlideshowCleanup().
     void postSlideshowCleanup() override;
     /// @see vcl::ITiledRenderable::renderNextSlideLayer().
-    bool renderNextSlideLayer(unsigned char* pBuffer, bool& bIsBitmapLayer, OUString& rJsonMsg) override;
+    bool renderNextSlideLayer(unsigned char* pBuffer, bool& bIsBitmapLayer, double& rScale, OUString& rJsonMsg) override;
 
     // XComponent
 
diff --git a/sd/source/ui/tools/SlideshowLayerRenderer.cxx b/sd/source/ui/tools/SlideshowLayerRenderer.cxx
index f447aa84f2c3..9ef86479e508 100644
--- a/sd/source/ui/tools/SlideshowLayerRenderer.cxx
+++ b/sd/source/ui/tools/SlideshowLayerRenderer.cxx
@@ -61,13 +61,16 @@ private:
 
     EEControlBits mnSavedControlBits;
     Color maSavedBackgroundColor;
+    Fraction maScale;
 
 public:
     ScopedVclPtrInstance<VirtualDevice> maVirtualDevice;
 
-    RenderContext(unsigned char* pBuffer, SdrModel& rModel, SdrPage& rPage, Size const& rSlideSize)
+    RenderContext(unsigned char* pBuffer, SdrModel& rModel, SdrPage& rPage, Size const& rSlideSize,
+                  const Fraction& rScale)
         : mrModel(rModel)
         , mrPage(rPage)
+        , maScale(rScale)
         , maVirtualDevice(DeviceFormat::WITHOUT_ALPHA)
     {
         SdrOutliner& rOutliner = mrModel.GetDrawOutliner();
@@ -82,8 +85,8 @@ public:
 
         maVirtualDevice->SetBackground(Wallpaper(COL_TRANSPARENT));
 
-        maVirtualDevice->SetOutputSizePixelScaleOffsetAndLOKBuffer(rSlideSize, Fraction(1.0),
-                                                                   Point(), pBuffer);
+        maVirtualDevice->SetOutputSizePixelScaleOffsetAndLOKBuffer(rSlideSize, maScale, Point(),
+                                                                   pBuffer);
         Size aPageSize(mrPage.GetSize());
 
         MapMode aMapMode(MapUnit::Map100thMM);
@@ -982,11 +985,12 @@ void SlideshowLayerRenderer::writeJSON(OString& rJsonMsg, RenderPass const& rRen
     maRenderState.incrementIndex();
 }
 
-bool SlideshowLayerRenderer::render(unsigned char* pBuffer, bool& bIsBitmapLayer, OString& rJsonMsg)
+bool SlideshowLayerRenderer::render(unsigned char* pBuffer, bool& bIsBitmapLayer, double& rScale,
+                                    OString& rJsonMsg)
 {
     // We want to render one pass (one iteration through objects)
 
-    RenderContext aRenderContext(pBuffer, mrModel, mrPage, maSlideSize);
+    RenderContext aRenderContext(pBuffer, mrModel, mrPage, maSlideSize, Fraction(rScale));
 
     // Render Background and analyze other passes
     if (maRenderState.meStage == RenderStage::Background)
@@ -1009,7 +1013,7 @@ bool SlideshowLayerRenderer::render(unsigned char* pBuffer, bool& bIsBitmapLayer
         // We need to return a valid layer, so if background has to be skipped
         // render the next layer
         if (!mbRenderBackground)
-            render(pBuffer, bIsBitmapLayer, rJsonMsg);
+            render(pBuffer, bIsBitmapLayer, rScale, rJsonMsg);
     }
     else
     {
diff --git a/sd/source/ui/unoidl/unomodel.cxx b/sd/source/ui/unoidl/unomodel.cxx
index ecc7d7c16f07..3c04c2276eec 100644
--- a/sd/source/ui/unoidl/unomodel.cxx
+++ b/sd/source/ui/unoidl/unomodel.cxx
@@ -4749,7 +4749,7 @@ void SdXImpressDocument::postSlideshowCleanup()
     pViewSh->destroyXSlideShowInstance();
 }
 
-bool SdXImpressDocument::renderNextSlideLayer(unsigned char* pBuffer, bool& bIsBitmapLayer, OUString& rJsonMsg)
+bool SdXImpressDocument::renderNextSlideLayer(unsigned char* pBuffer, bool& bIsBitmapLayer, double& rScale, OUString& rJsonMsg)
 {
     bool bDone = true;
 
@@ -4757,7 +4757,7 @@ bool SdXImpressDocument::renderNextSlideLayer(unsigned char* pBuffer, bool& bIsB
         return bDone;
 
     OString sMsg;
-    bool bOK = mpSlideshowLayerRenderer->render(pBuffer, bIsBitmapLayer, sMsg);
+    bool bOK = mpSlideshowLayerRenderer->render(pBuffer, bIsBitmapLayer, rScale, sMsg);
 
     if (bOK)
     {