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authorscuri <scuri>2008-10-17 06:10:33 +0000
committerscuri <scuri>2008-10-17 06:10:33 +0000
commit7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf (patch)
treed0857278bde2eff784227c57dcaf930346ceb7ac /test/simple/gdiplustest.cpp
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'test/simple/gdiplustest.cpp')
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diff --git a/test/simple/gdiplustest.cpp b/test/simple/gdiplustest.cpp
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+#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);
+}