From d13e1ba0e826a3acd59497978c98c150b24b8532 Mon Sep 17 00:00:00 2001 From: Evan Stade Date: Fri, 13 Jul 2007 17:51:45 -0700 Subject: [PATCH] gdiplus: Added GpGraphics save/restore tests. --- dlls/gdiplus/tests/graphics.c | 170 ++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) diff --git a/dlls/gdiplus/tests/graphics.c b/dlls/gdiplus/tests/graphics.c index 93d419c8d0..17f0f85ea6 100644 --- a/dlls/gdiplus/tests/graphics.c +++ b/dlls/gdiplus/tests/graphics.c @@ -24,6 +24,7 @@ #include "wine/test.h" #define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got) +#define TABLE_LEN (23) static void test_constructor_destructor() { @@ -51,6 +52,174 @@ static void test_constructor_destructor() ReleaseDC(0, hdc); } +typedef struct node{ + GraphicsState data; + struct node * next; +} node; + +/* Linked list prepend function. */ +static void log_state(GraphicsState data, node ** log) +{ + node * new_entry = HeapAlloc(GetProcessHeap(), 0, sizeof(node)); + + new_entry->data = data; + new_entry->next = *log; + *log = new_entry; +} + +/* Checks if there are duplicates in the list, and frees it. */ +static void check_no_duplicates(node * log) +{ + INT dups = 0; + node * temp = NULL; + + if(!log) + goto end; + + do{ + HeapFree(GetProcessHeap(), 0, temp); + temp = log; + while((temp = temp->next)) + if(log->data == temp->data) + dups++; + + }while((log = log->next)); + + HeapFree(GetProcessHeap(), 0, temp); + +end: + expect(0, dups); +} + +static void test_save_restore() +{ + GpStatus stat; + GraphicsState state_a, state_b, state_c; + InterpolationMode mode; + GpGraphics *graphics1, *graphics2; + node * state_log = NULL; + HDC hdc = GetDC(0); + + /* Invalid saving. */ + GdipCreateFromHDC(hdc, &graphics1); + stat = GdipSaveGraphics(graphics1, NULL); + expect(InvalidParameter, stat); + stat = GdipSaveGraphics(NULL, &state_a); + expect(InvalidParameter, stat); + GdipDeleteGraphics(graphics1); + + log_state(state_a, &state_log); + + /* Basic save/restore. */ + GdipCreateFromHDC(hdc, &graphics1); + GdipSetInterpolationMode(graphics1, InterpolationModeBilinear); + stat = GdipSaveGraphics(graphics1, &state_a); + todo_wine + expect(Ok, stat); + GdipSetInterpolationMode(graphics1, InterpolationModeBicubic); + stat = GdipRestoreGraphics(graphics1, state_a); + todo_wine + expect(Ok, stat); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBilinear, mode); + GdipDeleteGraphics(graphics1); + + log_state(state_a, &state_log); + + /* Restoring garbage doesn't affect saves. */ + GdipCreateFromHDC(hdc, &graphics1); + GdipSetInterpolationMode(graphics1, InterpolationModeBilinear); + GdipSaveGraphics(graphics1, &state_a); + GdipSetInterpolationMode(graphics1, InterpolationModeBicubic); + GdipSaveGraphics(graphics1, &state_b); + GdipSetInterpolationMode(graphics1, InterpolationModeNearestNeighbor); + stat = GdipRestoreGraphics(graphics1, 0xdeadbeef); + todo_wine + expect(Ok, stat); + GdipRestoreGraphics(graphics1, state_b); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBicubic, mode); + GdipRestoreGraphics(graphics1, state_a); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBilinear, mode); + GdipDeleteGraphics(graphics1); + + log_state(state_a, &state_log); + log_state(state_b, &state_log); + + /* Restoring older state invalidates newer saves (but not older saves). */ + GdipCreateFromHDC(hdc, &graphics1); + GdipSetInterpolationMode(graphics1, InterpolationModeBilinear); + GdipSaveGraphics(graphics1, &state_a); + GdipSetInterpolationMode(graphics1, InterpolationModeBicubic); + GdipSaveGraphics(graphics1, &state_b); + GdipSetInterpolationMode(graphics1, InterpolationModeNearestNeighbor); + GdipSaveGraphics(graphics1, &state_c); + GdipSetInterpolationMode(graphics1, InterpolationModeHighQualityBilinear); + GdipRestoreGraphics(graphics1, state_b); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBicubic, mode); + GdipRestoreGraphics(graphics1, state_c); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBicubic, mode); + GdipRestoreGraphics(graphics1, state_a); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBilinear, mode); + GdipDeleteGraphics(graphics1); + + log_state(state_a, &state_log); + log_state(state_b, &state_log); + log_state(state_c, &state_log); + + /* Restoring older save from one graphics object does not invalidate + * newer save from other graphics object. */ + GdipCreateFromHDC(hdc, &graphics1); + GdipCreateFromHDC(hdc, &graphics2); + GdipSetInterpolationMode(graphics1, InterpolationModeBilinear); + GdipSaveGraphics(graphics1, &state_a); + GdipSetInterpolationMode(graphics2, InterpolationModeBicubic); + GdipSaveGraphics(graphics2, &state_b); + GdipSetInterpolationMode(graphics1, InterpolationModeNearestNeighbor); + GdipSetInterpolationMode(graphics2, InterpolationModeNearestNeighbor); + GdipRestoreGraphics(graphics1, state_a); + GdipGetInterpolationMode(graphics1, &mode); + todo_wine + expect(InterpolationModeBilinear, mode); + GdipRestoreGraphics(graphics2, state_b); + GdipGetInterpolationMode(graphics2, &mode); + todo_wine + expect(InterpolationModeBicubic, mode); + GdipDeleteGraphics(graphics1); + GdipDeleteGraphics(graphics2); + + /* You can't restore a state to a graphics object that didn't save it. */ + GdipCreateFromHDC(hdc, &graphics1); + GdipCreateFromHDC(hdc, &graphics2); + GdipSetInterpolationMode(graphics1, InterpolationModeBilinear); + GdipSaveGraphics(graphics1, &state_a); + GdipSetInterpolationMode(graphics1, InterpolationModeNearestNeighbor); + GdipSetInterpolationMode(graphics2, InterpolationModeNearestNeighbor); + GdipRestoreGraphics(graphics2, state_a); + GdipGetInterpolationMode(graphics2, &mode); + expect(InterpolationModeNearestNeighbor, mode); + GdipDeleteGraphics(graphics1); + GdipDeleteGraphics(graphics2); + + log_state(state_a, &state_log); + + /* The same state value should never be returned twice. */ + todo_wine + check_no_duplicates(state_log); + + ReleaseDC(0, hdc); +} + START_TEST(graphics) { struct GdiplusStartupInput gdiplusStartupInput; @@ -64,6 +233,7 @@ START_TEST(graphics) GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL); test_constructor_destructor(); + test_save_restore(); GdiplusShutdown(gdiplusToken); }