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Remove SDL_CalculateGammaRamp.

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slime 2022-11-25 16:57:07 -04:00 • committed by Sam Lantinga
parent 52f4cc843d
commit ac8fbb7040
6 changed files with 5 additions and 160 deletions
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109
test/testautomation_pixels.c
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@ -400,110 +400,6 @@ pixels_allocFreePalette(void *arg)
return TEST_COMPLETED;
}
/**
* @brief Call to SDL_CalculateGammaRamp
*
* @sa http://wiki.libsdl.org/SDL_CalculateGammaRamp
*/
int
pixels_calcGammaRamp(void *arg)
{
const char *expectedError1 = "Parameter 'gamma' is invalid";
const char *expectedError2 = "Parameter 'ramp' is invalid";
const char *error;
float gamma;
Uint16 *ramp;
int variation;
int i;
int changed;
Uint16 magic = 0xbeef;
/* Allocate temp ramp array and fill with some value */
ramp = (Uint16 *)SDL_malloc(256 * sizeof(Uint16));
SDLTest_AssertCheck(ramp != NULL, "Validate temp ramp array could be allocated");
if (ramp == NULL) return TEST_ABORTED;
/* Make call with different gamma values */
for (variation = 0; variation < 4; variation++) {
switch (variation) {
/* gamma = 0 all black */
default:
case 0:
gamma = 0.0f;
break;
/* gamma = 1 identity */
case 1:
gamma = 1.0f;
break;
/* gamma = [0.2,0.8] normal range */
case 2:
gamma = 0.2f + 0.8f * SDLTest_RandomUnitFloat();
break;
/* gamma = >1.1 non-standard range */
case 3:
gamma = 1.1f + SDLTest_RandomUnitFloat();
break;
}
/* Make call and check that values were updated */
for (i = 0; i < 256; i++) ramp[i] = magic;
SDL_CalculateGammaRamp(gamma, ramp);
SDLTest_AssertPass("Call to SDL_CalculateGammaRamp(%f)", gamma);
changed = 0;
for (i = 0; i < 256; i++) if (ramp[i] != magic) changed++;
SDLTest_AssertCheck(changed > 250, "Validate that ramp was calculated; expected: >250 values changed, got: %d values changed", changed);
/* Additional value checks for some cases */
i = SDLTest_RandomIntegerInRange(64,192);
switch (variation) {
case 0:
SDLTest_AssertCheck(ramp[i] == 0, "Validate value at position %d; expected: 0, got: %d", i, ramp[i]);
break;
case 1:
SDLTest_AssertCheck(ramp[i] == ((i << 8) | i), "Validate value at position %d; expected: %d, got: %d", i, (i << 8) | i, ramp[i]);
break;
case 2:
case 3:
SDLTest_AssertCheck(ramp[i] > 0, "Validate value at position %d; expected: >0, got: %d", i, ramp[i]);
break;
}
}
/* Negative cases */
SDL_ClearError();
SDLTest_AssertPass("Call to SDL_ClearError()");
gamma = -1;
for (i=0; i<256; i++) ramp[i] = magic;
SDL_CalculateGammaRamp(gamma, ramp);
SDLTest_AssertPass("Call to SDL_CalculateGammaRamp(%f)", gamma);
error = SDL_GetError();
SDLTest_AssertPass("Call to SDL_GetError()");
SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");
if (error != NULL) {
SDLTest_AssertCheck(SDL_strcmp(error, expectedError1) == 0,
"Validate error message, expected: '%s', got: '%s'", expectedError1, error);
}
changed = 0;
for (i = 0; i < 256; i++) if (ramp[i] != magic) changed++;
SDLTest_AssertCheck(changed ==0, "Validate that ramp unchanged; expected: 0 values changed got: %d values changed", changed);
SDL_CalculateGammaRamp(0.5f, NULL);
SDLTest_AssertPass("Call to SDL_CalculateGammaRamp(0.5,NULL)");
error = SDL_GetError();
SDLTest_AssertPass("Call to SDL_GetError()");
SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");
if (error != NULL) {
SDLTest_AssertCheck(SDL_strcmp(error, expectedError2) == 0,
"Validate error message, expected: '%s', got: '%s'", expectedError2, error);
}
/* Cleanup */
SDL_free(ramp);
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Pixels test cases */
@ -514,14 +410,11 @@ static const SDLTest_TestCaseReference pixelsTest2 =
{ (SDLTest_TestCaseFp)pixels_allocFreePalette, "pixels_allocFreePalette", "Call to SDL_AllocPalette and SDL_FreePalette", TEST_ENABLED };
static const SDLTest_TestCaseReference pixelsTest3 =
{ (SDLTest_TestCaseFp)pixels_calcGammaRamp, "pixels_calcGammaRamp", "Call to SDL_CalculateGammaRamp", TEST_ENABLED };
static const SDLTest_TestCaseReference pixelsTest4 =
{ (SDLTest_TestCaseFp)pixels_getPixelFormatName, "pixels_getPixelFormatName", "Call to SDL_GetPixelFormatName", TEST_ENABLED };
/* Sequence of Pixels test cases */
static const SDLTest_TestCaseReference *pixelsTests[] = {
&pixelsTest1, &pixelsTest2, &pixelsTest3, &pixelsTest4, NULL
&pixelsTest1, &pixelsTest2, &pixelsTest3, NULL
};
/* Pixels test suite (global) */