1 files changed, 116 insertions, 0 deletions
diff --git a/test/simple/gdiplustest.cpp b/test/simple/gdiplustest.cpp
new file mode 100644
index 0000000..af7b643
--- /dev/null
+++ b/test/simple/gdiplustest.cpp
@@ -0,0 +1,116 @@
+#include <windows.h>
+#include <gdiplus.h>
+using namespace Gdiplus;
+
+/* Visual C++ 7.1 + SP1
+   GDI+ 1.0 File Version 5.1.3102.2180
+*/
+
+void DrawLineMarks(Graphics* graphics, Pen* greenPen, int x, int y, int w, int h)
+{
+  graphics->DrawLine(greenPen, x+w-1, y-5, x+w-1, y+5); // end markers
+  graphics->DrawLine(greenPen, x-5, y+h-1, x+5, y+h-1);
+}
+
+void SimpleImageTest(HWND hWnd)
+{
+  int x, y;
+  Graphics* graphics = new Graphics(hWnd);
+  graphics->Clear(Color(255, 255, 255)); // white background
+
+  Bitmap image(16, 16, PixelFormat24bppRGB);
+  image.SetResolution(graphics->GetDpiX(), graphics->GetDpiX());
+
+  /* black pixel border */
+  for (y = 0; y < 16; y++)
+    image.SetPixel(0, y, Color(0, 0, 0));
+  for (y = 0; y < 16; y++)
+    image.SetPixel(15, y, Color(0, 0, 0));
+  for (x = 1; x < 15; x++)
+    image.SetPixel(x, 0, Color(0, 0, 0));
+  for (x = 1; x < 15; x++)
+    image.SetPixel(x, 15, Color(0, 0, 0));
+
+  /* light yellow contents */
+  for (y = 1; y < 15; y++)
+    for (x = 1; x < 15; x++)
+      image.SetPixel(x, y, Color(192, 192, 0));
+
+  Pen redPen(Color(255, 0, 0), 1);
+  redPen.SetDashStyle(DashStyleDash);
+  Pen greenPen(Color(0, 255, 0), 1);
+  greenPen.SetDashStyle(DashStyleDash);
+
+  // I add {} to avoid reusing some Rect in the next test
+
+  graphics->SetPixelOffsetMode(PixelOffsetModeHalf); // pixel center is (.5,.5) instead of (0, 0)
+
+  // NO zoom
+  {
+  RectF actualRect(10, 10, 16, 16);
+  graphics->DrawImage(&image, 10, 10);  
+  graphics->DrawRectangle(&redPen, actualRect);
+  DrawLineMarks(graphics, &greenPen, 10, 10, 16, 16);
+  }
+
+  // zoom using Bilinear Interpolation
+  {
+  RectF zoomRect(50, 10, 160, 160);
+  graphics->SetInterpolationMode(InterpolationModeBilinear);
+  graphics->DrawImage(&image, zoomRect);
+  graphics->DrawRectangle(&redPen, zoomRect);
+  DrawLineMarks(graphics, &greenPen, 50, 10, 160, 160);
+  }
+
+  // zoom using Nearest Neighborhood
+  {
+  RectF zoomRect2(250, 10, 160, 160);
+  graphics->SetInterpolationMode(InterpolationModeNearestNeighbor);
+  graphics->DrawImage(&image, zoomRect2);
+  graphics->DrawRectangle(&redPen, zoomRect2);
+  DrawLineMarks(graphics, &greenPen, 250, 10, 160, 160);
+  }
+
+
+  // Using a source image size, smaller than actual
+
+
+  // NO zoom
+  {
+  RectF actualRect3(10, 200, 16, 16);
+  graphics->DrawImage(&image, actualRect3, 0, 0, 16-1, 16-1, UnitPixel, NULL, NULL);
+  graphics->DrawRectangle(&redPen, actualRect3);
+  DrawLineMarks(graphics, &greenPen, 10, 400, 16, 16);
+  }
+
+  // zoom using Bilinear Interpolation
+  {
+  RectF zoomRect6(50, 200, 160, 160);
+  graphics->SetInterpolationMode(InterpolationModeBilinear);
+  graphics->DrawImage(&image, zoomRect6, 0, 0, 16-1, 16-1, UnitPixel, NULL, NULL);
+  graphics->DrawRectangle(&redPen, zoomRect6);
+  DrawLineMarks(graphics, &greenPen, 50, 400, 160, 160);
+  }
+
+  // zoom using Nearest Neighborhood
+  {
+  RectF zoomRect7(250, 200, 160, 160);
+  graphics->SetInterpolationMode(InterpolationModeNearestNeighbor);
+  graphics->DrawImage(&image, zoomRect7, 0, 0, 16-1, 16-1, UnitPixel, NULL, NULL);
+  graphics->DrawRectangle(&redPen, zoomRect7);
+  DrawLineMarks(graphics, &greenPen, 250, 400, 160, 160);
+  }
+
+  delete graphics;
+}
+
+#include <iup.h>
+
+extern "C" char* winData;
+extern "C" void SimpleDrawTest(void);
+
+void SimpleDrawTest(void)
+{
+  HWND hWnd = (HWND)IupGetAttribute((Ihandle*)winData, "HWND");
+  SimpleImageTest(hWnd);
+}