From 7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf Mon Sep 17 00:00:00 2001 From: scuri Date: Fri, 17 Oct 2008 06:10:33 +0000 Subject: First commit - moving from LuaForge to SourceForge --- test/simple/gdiplustest.cpp | 116 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 test/simple/gdiplustest.cpp (limited to 'test/simple/gdiplustest.cpp') 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 +#include +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 + +extern "C" char* winData; +extern "C" void SimpleDrawTest(void); + +void SimpleDrawTest(void) +{ + HWND hWnd = (HWND)IupGetAttribute((Ihandle*)winData, "HWND"); + SimpleImageTest(hWnd); +} -- cgit v1.2.3