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-rw-r--r--libfreerdp/gdi/test/TestGdiClip.c345
1 files changed, 345 insertions, 0 deletions
diff --git a/libfreerdp/gdi/test/TestGdiClip.c b/libfreerdp/gdi/test/TestGdiClip.c
new file mode 100644
index 0000000..bfef3cd
--- /dev/null
+++ b/libfreerdp/gdi/test/TestGdiClip.c
@@ -0,0 +1,345 @@
+
+#include <freerdp/gdi/gdi.h>
+
+#include <freerdp/gdi/dc.h>
+#include <freerdp/gdi/pen.h>
+#include <freerdp/gdi/region.h>
+#include <freerdp/gdi/bitmap.h>
+
+#include <winpr/crt.h>
+
+#include "line.h"
+#include "brush.h"
+#include "clipping.h"
+
+static int test_gdi_ClipCoords(void)
+{
+ int rc = -1;
+ BOOL draw = 0;
+ HGDI_DC hdc = NULL;
+ HGDI_RGN rgn1 = NULL;
+ HGDI_RGN rgn2 = NULL;
+ HGDI_BITMAP bmp = NULL;
+ const UINT32 format = PIXEL_FORMAT_ARGB32;
+
+ if (!(hdc = gdi_GetDC()))
+ {
+ printf("failed to get gdi device context\n");
+ return -1;
+ }
+
+ hdc->format = format;
+ bmp = gdi_CreateBitmapEx(1024, 768, PIXEL_FORMAT_XRGB32, 0, NULL, NULL);
+ gdi_SelectObject(hdc, (HGDIOBJECT)bmp);
+ gdi_SetNullClipRgn(hdc);
+ rgn1 = gdi_CreateRectRgn(0, 0, 0, 0);
+ rgn2 = gdi_CreateRectRgn(0, 0, 0, 0);
+ rgn1->null = TRUE;
+ rgn2->null = TRUE;
+ /* null clipping region */
+ gdi_SetNullClipRgn(hdc);
+ gdi_SetRgn(rgn1, 20, 20, 100, 100);
+ gdi_SetRgn(rgn2, 20, 20, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* region all inside clipping region */
+ gdi_SetClipRgn(hdc, 0, 0, 1024, 768);
+ gdi_SetRgn(rgn1, 20, 20, 100, 100);
+ gdi_SetRgn(rgn2, 20, 20, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* region all outside clipping region, on the left */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 20, 20, 100, 100);
+ gdi_SetRgn(rgn2, 0, 0, 0, 0);
+ draw = gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (draw)
+ goto fail;
+
+ /* region all outside clipping region, on the right */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 420, 420, 100, 100);
+ gdi_SetRgn(rgn2, 0, 0, 0, 0);
+ draw = gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (draw)
+ goto fail;
+
+ /* region all outside clipping region, on top */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 20, 100, 100);
+ gdi_SetRgn(rgn2, 0, 0, 0, 0);
+ draw = gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (draw)
+ goto fail;
+
+ /* region all outside clipping region, at the bottom */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 420, 100, 100);
+ gdi_SetRgn(rgn2, 0, 0, 0, 0);
+ draw = gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (draw)
+ goto fail;
+
+ /* left outside, right = clip, top = clip, bottom = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 300, 300, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* left outside, right inside, top = clip, bottom = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 300, 250, 100);
+ gdi_SetRgn(rgn2, 300, 300, 50, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* left = clip, right outside, top = clip, bottom = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 300, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* left inside, right outside, top = clip, bottom = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 350, 300, 200, 100);
+ gdi_SetRgn(rgn2, 350, 300, 50, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* top outside, bottom = clip, left = clip, right = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 100, 300, 300);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* top = clip, bottom outside, left = clip, right = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 100, 200);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ /* top = clip, bottom = clip, top = clip, bottom = clip */
+ gdi_SetClipRgn(hdc, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 100, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
+
+ if (!gdi_EqualRgn(rgn1, rgn2))
+ goto fail;
+
+ rc = 0;
+fail:
+ gdi_DeleteObject((HGDIOBJECT)rgn1);
+ gdi_DeleteObject((HGDIOBJECT)rgn2);
+ gdi_DeleteObject((HGDIOBJECT)bmp);
+ gdi_DeleteDC(hdc);
+ return rc;
+}
+
+static int test_gdi_InvalidateRegion(void)
+{
+ int rc = -1;
+ HGDI_DC hdc = NULL;
+ HGDI_RGN rgn1 = NULL;
+ HGDI_RGN rgn2 = NULL;
+ HGDI_RGN invalid = NULL;
+ HGDI_BITMAP bmp = NULL;
+ const UINT32 format = PIXEL_FORMAT_XRGB32;
+
+ if (!(hdc = gdi_GetDC()))
+ {
+ printf("failed to get gdi device context\n");
+ return -1;
+ }
+
+ hdc->format = format;
+ bmp = gdi_CreateBitmapEx(1024, 768, PIXEL_FORMAT_XRGB32, 0, NULL, NULL);
+ gdi_SelectObject(hdc, (HGDIOBJECT)bmp);
+ gdi_SetNullClipRgn(hdc);
+ hdc->hwnd = (HGDI_WND)calloc(1, sizeof(GDI_WND));
+ hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0);
+ hdc->hwnd->invalid->null = TRUE;
+ invalid = hdc->hwnd->invalid;
+ hdc->hwnd->count = 16;
+ hdc->hwnd->cinvalid = (HGDI_RGN)calloc(hdc->hwnd->count, sizeof(GDI_RGN));
+ rgn1 = gdi_CreateRectRgn(0, 0, 0, 0);
+ rgn2 = gdi_CreateRectRgn(0, 0, 0, 0);
+ rgn1->null = TRUE;
+ rgn2->null = TRUE;
+ /* no previous invalid region */
+ invalid->null = TRUE;
+ gdi_SetRgn(rgn1, 300, 300, 100, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* region same as invalid region */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 100, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* left outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 300, 300, 100);
+ gdi_SetRgn(rgn2, 100, 300, 300, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* right outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 300, 100);
+ gdi_SetRgn(rgn2, 300, 300, 300, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* top outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 100, 100, 300);
+ gdi_SetRgn(rgn2, 300, 100, 100, 300);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* bottom outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 300, 100, 300);
+ gdi_SetRgn(rgn2, 300, 300, 100, 300);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* left outside, right outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 300, 600, 300);
+ gdi_SetRgn(rgn2, 100, 300, 600, 300);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* top outside, bottom outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 100, 100, 500);
+ gdi_SetRgn(rgn2, 300, 100, 100, 500);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* all outside, left */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 300, 100, 100);
+ gdi_SetRgn(rgn2, 100, 300, 300, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* all outside, right */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 700, 300, 100, 100);
+ gdi_SetRgn(rgn2, 300, 300, 500, 100);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* all outside, top */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 100, 100, 100);
+ gdi_SetRgn(rgn2, 300, 100, 100, 300);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* all outside, bottom */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 300, 500, 100, 100);
+ gdi_SetRgn(rgn2, 300, 300, 100, 300);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* all outside */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 100, 100, 600, 600);
+ gdi_SetRgn(rgn2, 100, 100, 600, 600);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ /* everything */
+ gdi_SetRgn(invalid, 300, 300, 100, 100);
+ gdi_SetRgn(rgn1, 0, 0, 1024, 768);
+ gdi_SetRgn(rgn2, 0, 0, 1024, 768);
+ gdi_InvalidateRegion(hdc, rgn1->x, rgn1->y, rgn1->w, rgn1->h);
+
+ if (!gdi_EqualRgn(invalid, rgn2))
+ goto fail;
+
+ rc = 0;
+fail:
+ gdi_DeleteObject((HGDIOBJECT)rgn1);
+ gdi_DeleteObject((HGDIOBJECT)rgn2);
+ gdi_DeleteObject((HGDIOBJECT)bmp);
+ gdi_DeleteDC(hdc);
+ return rc;
+}
+
+int TestGdiClip(int argc, char* argv[])
+{
+ WINPR_UNUSED(argc);
+ WINPR_UNUSED(argv);
+ fprintf(stderr, "test_gdi_ClipCoords()\n");
+
+ if (test_gdi_ClipCoords() < 0)
+ return -1;
+
+ fprintf(stderr, "test_gdi_InvalidateRegion()\n");
+
+ if (test_gdi_InvalidateRegion() < 0)
+ return -1;
+
+ return 0;
+}
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