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[gdi,test] simplify TestGdiClip

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This commit is contained in:
akallabeth
2025-11-18 10:14:06 +01:00
parent ffa03406ad
commit a05f1233d4
1 changed files with 140 additions and 121 deletions
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261
libfreerdp/gdi/test/TestGdiClip.c
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@@ -12,13 +12,96 @@
#include "brush.h"
#include "clipping.h"
static bool test_gdi_coords(size_t testNr, HGDI_DC hdc, const GDI_RGN* clip, const GDI_RGN* input,
const GDI_RGN* expect)
{
bool rc = false;
WINPR_ASSERT(hdc);
WINPR_ASSERT(input);
HGDI_RGN rgn1 = gdi_CreateRectRgn(0, 0, 0, 0);
HGDI_RGN rgn2 = gdi_CreateRectRgn(0, 0, 0, 0);
if (!rgn1 || !rgn2)
{
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_CreateRectRgn failed: rgn1=%p, rgn2=%p\n",
__func__, testNr, rgn1, rgn2);
goto fail;
}
if (!clip)
{
if (!gdi_SetNullClipRgn(hdc))
{
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_SetNullClipRgn failed\n", __func__, testNr);
goto fail;
}
}
else if (!gdi_SetClipRgn(hdc, clip->x, clip->y, clip->w, clip->h))
{
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_SetClipRgn failed\n", __func__, testNr);
goto fail;
}
if (!gdi_SetRgn(rgn1, input->x, input->y, input->w, input->h))
{
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_SetRgn (rgn1) failed\n", __func__, testNr);
goto fail;
}
if (expect)
{
if (!gdi_SetRgn(rgn2, expect->x, expect->y, expect->w, expect->h))
{
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_SetRgn (rgn2) failed\n", __func__, testNr);
goto fail;
}
}
const BOOL draw =
gdi_ClipCoords(hdc, &(rgn1->x), &(rgn1->y), &(rgn1->w), &(rgn1->h), NULL, NULL);
if (expect)
{
if (!draw)
{
(void)fprintf(stderr,
"[%s:%" PRIuz "] gdi_ClipCoords failed: expected TRUE, got FALSE\n",
__func__, testNr);
goto fail;
}
if (!gdi_EqualRgn(rgn1, rgn2))
{
char buffer1[64] = { 0 };
char buffer2[64] = { 0 };
(void)fprintf(stderr, "[%s:%" PRIuz "] gdi_EqualRgn failed: expected %s, got %s\n",
__func__, testNr, buffer1, buffer2);
goto fail;
}
}
else
{
if (draw)
{
(void)fprintf(stderr,
"[%s:%" PRIuz "] gdi_ClipCoords failed: expected FALSE, got TRUE\n",
__func__, testNr);
goto fail;
}
}
rc = true;
fail:
gdi_DeleteObject((HGDIOBJECT)rgn1);
gdi_DeleteObject((HGDIOBJECT)rgn2);
return rc;
}
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;
@@ -32,131 +115,67 @@ static int test_gdi_ClipCoords(void)
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;
struct testcase_t
{
const GDI_RGN* clip;
const GDI_RGN* in;
const GDI_RGN* expect;
};
/* 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);
const GDI_RGN rgn0x0_1024x768 = { 0, 0, 0, 1024, 768, FALSE };
const GDI_RGN rgn20x20_100x100 = { 0, 20, 20, 100, 100, FALSE };
const GDI_RGN rgn100x300_250x100 = { 0, 100, 300, 250, 100, FALSE };
const GDI_RGN rgn100x300_300x100 = { 0, 100, 300, 300, 100, FALSE };
const GDI_RGN rgn300x20_100x100 = { 0, 300, 20, 100, 100, FALSE };
const GDI_RGN rgn300x100_300x300 = { 0, 300, 100, 300, 300, FALSE };
const GDI_RGN rgn300x300_50x100 = { 0, 300, 300, 50, 100, FALSE };
const GDI_RGN rgn300x300_100x100 = { 0, 300, 300, 100, 100, FALSE };
const GDI_RGN rgn300x300_300x100 = { 0, 300, 300, 300, 100, FALSE };
const GDI_RGN rgn300x300_300x200 = { 0, 300, 300, 100, 200, FALSE };
const GDI_RGN rgn300x420_100x100 = { 0, 300, 420, 100, 100, FALSE };
const GDI_RGN rgn350x300_50x100 = { 0, 350, 300, 50, 100, FALSE };
const GDI_RGN rgn350x300_200x100 = { 0, 350, 300, 200, 100, FALSE };
const GDI_RGN rgn420x420_100x100 = { 0, 420, 420, 100, 100, FALSE };
if (!gdi_EqualRgn(rgn1, rgn2))
goto fail;
const struct testcase_t testcases[] = {
/* null clipping region */
{ NULL, &rgn20x20_100x100, &rgn20x20_100x100 },
/* region all inside clipping region */
{ &rgn0x0_1024x768, &rgn20x20_100x100, &rgn20x20_100x100 },
/* region all outside clipping region, on the left */
{ &rgn300x300_100x100, &rgn20x20_100x100, NULL },
/* region all outside clipping region, on the right */
{ &rgn300x300_100x100, &rgn420x420_100x100, NULL },
/* region all outside clipping region, on top */
{ &rgn300x300_100x100, &rgn300x20_100x100, NULL },
/* region all outside clipping region, at the bottom */
{ &rgn300x300_100x100, &rgn300x420_100x100, NULL },
/* left outside, right = clip, top = clip, bottom = clip */
{ &rgn300x300_100x100, &rgn100x300_300x100, &rgn300x300_100x100 },
/* left outside, right inside, top = clip, bottom = clip */
{ &rgn300x300_100x100, &rgn100x300_250x100, &rgn300x300_50x100 },
/* left = clip, right outside, top = clip, bottom = clip */
{ &rgn300x300_100x100, &rgn300x300_300x100, &rgn300x300_100x100 },
/* left inside, right outside, top = clip, bottom = clip */
{ &rgn300x300_100x100, &rgn350x300_200x100, &rgn350x300_50x100 },
/* top outside, bottom = clip, left = clip, right = clip */
{ &rgn300x300_100x100, &rgn300x100_300x300, &rgn300x300_100x100 },
/* top = clip, bottom outside, left = clip, right = clip */
{ &rgn300x300_100x100, &rgn300x300_300x200, &rgn300x300_100x100 },
/* top = clip, bottom = clip, top = clip, bottom = clip */
{ &rgn300x300_100x100, &rgn300x300_100x100, &rgn300x300_100x100 }
};
/* 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;
for (size_t x = 0; x < ARRAYSIZE(testcases); x++)
{
const struct testcase_t* cur = &testcases[x];
if (!test_gdi_coords(x, hdc, cur->clip, cur->in, cur->expect))
goto fail;
}
rc = 0;
fail:
gdi_DeleteObject((HGDIOBJECT)rgn1);
gdi_DeleteObject((HGDIOBJECT)rgn2);
gdi_DeleteObject((HGDIOBJECT)bmp);
gdi_DeleteDC(hdc);
return rc;