diff options
| -rwxr-xr-x | indra/integration_tests/llimage_libtest/llimage_libtest.cpp | 66 | ||||
| -rwxr-xr-x | indra/llimage/llimage.cpp | 118 | ||||
| -rwxr-xr-x | indra/llimage/llimage.h | 24 |
3 files changed, 111 insertions, 97 deletions
diff --git a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp index 58d7f53dd1..6045ed321d 100755 --- a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp +++ b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp @@ -687,73 +687,85 @@ int main(int argc, char** argv) } else if (filter_name == "gamma") { - raw_image->filterGamma((float)(filter_param)); + raw_image->filterGamma((float)(filter_param),LLColor3::white); } else if (filter_name == "colorize") { - // For testing, we just colorize in red, modulate by the alpha passed as a parameter - LLColor4U color = LLColor4U::red; - color.setAlpha((U8)(filter_param * 255.0)); - raw_image->filterColorize(color); + // For testing, we just colorize in the red channel, modulate by the alpha passed as a parameter + LLColor3 color(1.0,0.0,0.0); + LLColor3 alpha((F32)(filter_param),0.0,0.0); + raw_image->filterColorize(color,alpha); } else if (filter_name == "contrast") { - raw_image->filterContrast((float)(filter_param)); + raw_image->filterContrast((float)(filter_param),LLColor3::white); } else if (filter_name == "brighten") { - raw_image->filterBrightness((S32)(filter_param)); + raw_image->filterBrightness((S32)(filter_param),LLColor3::white); } else if (filter_name == "darken") { - raw_image->filterBrightness((S32)(-filter_param)); + raw_image->filterBrightness((S32)(-filter_param),LLColor3::white); } else if (filter_name == "linearize") { - raw_image->filterLinearize((float)(filter_param)); + raw_image->filterLinearize((float)(filter_param),LLColor3::white); } else if (filter_name == "posterize") { - raw_image->filterEqualize((S32)(filter_param)); + raw_image->filterEqualize((S32)(filter_param),LLColor3::white); } // Test for some "a la Instagram" filters else if (filter_name == "Lomofi") { raw_image->setVignette(VIGNETTE_MODE_BLEND,4.0,0.0); - raw_image->filterLinearize(0.2); + raw_image->filterLinearize(0.2,LLColor3::white); + raw_image->filterBrightness(20,LLColor3::white); + } + else if (filter_name == "Poprocket") + { + LLColor3 color(1.0,0.0,0.0); + LLColor3 alpha(0.5,0.0,0.0); + raw_image->filterLinearize(0.0,LLColor3::white); + raw_image->filterContrast(0.5,LLColor3::white); + raw_image->setVignette(VIGNETTE_MODE_FADE,4.0,0.5); + raw_image->filterColorize(color,alpha); } else if (filter_name == "Sutro") { - raw_image->filterLinearize(0.2); + raw_image->filterLinearize(0.2,LLColor3::white); raw_image->setVignette(VIGNETTE_MODE_FADE,4.0,0.5); raw_image->filterSepia(); } + else if (filter_name == "Toaster") + { + raw_image->filterContrast(0.8,LLColor3::white); + raw_image->setVignette(VIGNETTE_MODE_FADE,4.0,0.5); + raw_image->filterBrightness(10,LLColor3::white); + //raw_image->filterColorBalance(0.5,1.0,1.0); + } else if (filter_name == "Inkwell") { - raw_image->filterLinearize(0.0); + raw_image->filterLinearize(0.0,LLColor3::white); raw_image->filterGrayScale(); } - else if (filter_name == "Poprocket") + else if (filter_name == "Hefe") { - LLColor4U color = LLColor4U::red; - color.setAlpha((U8)(0.2 * 255.0)); - raw_image->filterLinearize(0.0); + raw_image->filterLinearize(0.0,LLColor3::white); raw_image->setVignette(VIGNETTE_MODE_FADE,4.0,0.5); - raw_image->filterColorize(color); + raw_image->filterContrast(1.5,LLColor3::white); } else if (filter_name == "Gotham") { - raw_image->filterLinearize(0.0); - raw_image->filterColorBalance(1.0,1.0,20.0); + raw_image->filterLinearize(0.0,LLColor3::white); + // Blow out the Blue + LLColor3 color(0.0,0.0,0.0); + LLColor3 alpha(0.0,0.0,1.0); + raw_image->filterColorize(color,alpha); + // Convert to Grayscale raw_image->filterGrayScale(); } - else if (filter_name == "Toaster") - { - raw_image->filterContrast(0.8); - raw_image->setVignette(VIGNETTE_MODE_FADE,4.0,0.5); - raw_image->filterBrightness(10); - raw_image->filterColorBalance(0.5,1.0,1.0); - } // Save file if (out_file != out_end) diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp index 3d86abb26d..977bb09b63 100755 --- a/indra/llimage/llimage.cpp +++ b/indra/llimage/llimage.cpp @@ -29,6 +29,7 @@ #include "llimage.h" #include "llmath.h" +#include "v3color.h" #include "v4coloru.h" #include "m3math.h" #include "v3math.h" @@ -1033,19 +1034,7 @@ void LLImageRaw::filterRotate(F32 alpha) colorTransform(transfo); } -void LLImageRaw::filterGamma(F32 gamma) -{ - U8 gamma_lut[256]; - - for (S32 i = 0; i < 256; i++) - { - gamma_lut[i] = (U8)(255.0 * (llclampf((float)(pow((float)(i)/255.0,gamma))))); - } - - colorCorrect(gamma_lut,gamma_lut,gamma_lut); -} - -void LLImageRaw::filterColorBalance(F32 gamma_red, F32 gamma_green, F32 gamma_blue) +void LLImageRaw::filterGamma(F32 gamma, const LLColor3& alpha) { U8 gamma_red_lut[256]; U8 gamma_green_lut[256]; @@ -1053,15 +1042,17 @@ void LLImageRaw::filterColorBalance(F32 gamma_red, F32 gamma_green, F32 gamma_bl for (S32 i = 0; i < 256; i++) { - gamma_red_lut[i] = (U8)(255.0 * (llclampf((float)(pow((float)(i)/255.0,gamma_red))))); - gamma_green_lut[i] = (U8)(255.0 * (llclampf((float)(pow((float)(i)/255.0,gamma_green))))); - gamma_blue_lut[i] = (U8)(255.0 * (llclampf((float)(pow((float)(i)/255.0,gamma_blue))))); + F32 gamma_i = llclampf((float)(pow((float)(i)/255.0,gamma))); + // Blend in with alpha values + gamma_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * 255.0 * gamma_i); + gamma_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * 255.0 * gamma_i); + gamma_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * 255.0 * gamma_i); } colorCorrect(gamma_red_lut,gamma_green_lut,gamma_blue_lut); } -void LLImageRaw::filterLinearize(F32 tail) +void LLImageRaw::filterLinearize(F32 tail, const LLColor3& alpha) { // Get the histogram U32* histo = getBrightnessHistogram(); @@ -1093,13 +1084,19 @@ void LLImageRaw::filterLinearize(F32 tail) } // Compute linear lookup table - U8 linear_lut[256]; + U8 linear_red_lut[256]; + U8 linear_green_lut[256]; + U8 linear_blue_lut[256]; if (max_v == min_v) { // Degenerated binary split case for (S32 i = 0; i < 256; i++) { - linear_lut[i] = (i < min_v ? 0 : 255); + U8 value_i = (i < min_v ? 0 : 255); + // Blend in with alpha values + linear_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * value_i); + linear_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * value_i); + linear_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * value_i); } } else @@ -1109,15 +1106,19 @@ void LLImageRaw::filterLinearize(F32 tail) F32 translate = -min_v * slope; for (S32 i = 0; i < 256; i++) { - linear_lut[i] = (U8)(llclampb((S32)(slope*i + translate))); + U8 value_i = (U8)(llclampb((S32)(slope*i + translate))); + // Blend in with alpha values + linear_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * value_i); + linear_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * value_i); + linear_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * value_i); } } // Apply lookup table - colorCorrect(linear_lut,linear_lut,linear_lut); + colorCorrect(linear_red_lut,linear_green_lut,linear_blue_lut); } -void LLImageRaw::filterEqualize(S32 nb_classes) +void LLImageRaw::filterEqualize(S32 nb_classes, const LLColor3& alpha) { // Regularize the parameter: must be between 2 and 255 nb_classes = llmax(nb_classes,2); @@ -1142,10 +1143,15 @@ void LLImageRaw::filterEqualize(S32 nb_classes) S32 current_value = 0; // Compute equalized lookup table - U8 equalize_lut[256]; + U8 equalize_red_lut[256]; + U8 equalize_green_lut[256]; + U8 equalize_blue_lut[256]; for (S32 i = 0; i < 256; i++) { - equalize_lut[i] = (U8)(current_value); + // Blend in current_value with alpha values + equalize_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * current_value); + equalize_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * current_value); + equalize_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * current_value); if (cumulated_histo[i] >= current_count) { current_count += delta_count; @@ -1155,73 +1161,65 @@ void LLImageRaw::filterEqualize(S32 nb_classes) } // Apply lookup table - colorCorrect(equalize_lut,equalize_lut,equalize_lut); + colorCorrect(equalize_red_lut,equalize_green_lut,equalize_blue_lut); } -void LLImageRaw::filterColorize(const LLColor4U& color) +void LLImageRaw::filterColorize(const LLColor3& color, const LLColor3& alpha) { U8 red_lut[256]; U8 green_lut[256]; U8 blue_lut[256]; - F32 alpha = (F32)(color.mV[3])/255.0; - F32 inv_alpha = 1.0 - alpha; - - F32 red_composite = alpha * (F32)(color.mV[0]); - F32 green_composite = alpha * (F32)(color.mV[1]); - F32 blue_composite = alpha * (F32)(color.mV[2]); + F32 red_composite = 255.0 * alpha.mV[0] * color.mV[0]; + F32 green_composite = 255.0 * alpha.mV[1] * color.mV[1]; + F32 blue_composite = 255.0 * alpha.mV[2] * color.mV[2]; for (S32 i = 0; i < 256; i++) { - red_lut[i] = (U8)(llclampb((S32)(inv_alpha*(F32)(i) + red_composite))); - green_lut[i] = (U8)(llclampb((S32)(inv_alpha*(F32)(i) + green_composite))); - blue_lut[i] = (U8)(llclampb((S32)(inv_alpha*(F32)(i) + blue_composite))); + red_lut[i] = (U8)(llclampb((S32)((1.0 - alpha.mV[0]) * (F32)(i) + red_composite))); + green_lut[i] = (U8)(llclampb((S32)((1.0 - alpha.mV[1]) * (F32)(i) + green_composite))); + blue_lut[i] = (U8)(llclampb((S32)((1.0 - alpha.mV[2]) * (F32)(i) + blue_composite))); } colorCorrect(red_lut,green_lut,blue_lut); } -void LLImageRaw::filterContrast(F32 slope) +void LLImageRaw::filterContrast(F32 slope, const LLColor3& alpha) { - U8 contrast_lut[256]; + U8 contrast_red_lut[256]; + U8 contrast_green_lut[256]; + U8 contrast_blue_lut[256]; F32 translate = 128.0 * (1.0 - slope); for (S32 i = 0; i < 256; i++) { - contrast_lut[i] = (U8)(llclampb((S32)(slope*i + translate))); + U8 value_i = (U8)(llclampb((S32)(slope*i + translate))); + // Blend in with alpha values + contrast_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * value_i); + contrast_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * value_i); + contrast_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * value_i); } - colorCorrect(contrast_lut,contrast_lut,contrast_lut); + colorCorrect(contrast_red_lut,contrast_green_lut,contrast_blue_lut); } -void LLImageRaw::filterBrightness(S32 add) +void LLImageRaw::filterBrightness(S32 add, const LLColor3& alpha) { - U8 brightness_lut[256]; - - for (S32 i = 0; i < 256; i++) - { - brightness_lut[i] = (U8)(llclampb((S32)((S32)(i) + add))); - } - - colorCorrect(brightness_lut,brightness_lut,brightness_lut); -} - -void LLImageRaw::filterMinMax(S32 min, S32 max) -{ - U8 contrast_lut[256]; - min = llclampb(min); - max = llclampb(max); - - F32 slope = 255.0/(F32)(max - min); - F32 translate = -slope*min; + U8 brightness_red_lut[256]; + U8 brightness_green_lut[256]; + U8 brightness_blue_lut[256]; for (S32 i = 0; i < 256; i++) { - contrast_lut[i] = (U8)(llclampb((S32)(slope*i + translate))); + U8 value_i = (U8)(llclampb((S32)((S32)(i) + add))); + // Blend in with alpha values + brightness_red_lut[i] = (U8)((1.0 - alpha.mV[0]) * (float)(i) + alpha.mV[0] * value_i); + brightness_green_lut[i] = (U8)((1.0 - alpha.mV[1]) * (float)(i) + alpha.mV[1] * value_i); + brightness_blue_lut[i] = (U8)((1.0 - alpha.mV[2]) * (float)(i) + alpha.mV[2] * value_i); } - colorCorrect(contrast_lut,contrast_lut,contrast_lut); + colorCorrect(brightness_red_lut,brightness_green_lut,brightness_blue_lut); } // Filter Primitives diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h index 6e58453da5..cc91f95624 100755 --- a/indra/llimage/llimage.h +++ b/indra/llimage/llimage.h @@ -71,6 +71,7 @@ const S32 HTTP_PACKET_SIZE = 1496; class LLImageFormatted; class LLImageRaw; class LLColor4U; +class LLColor3; class LLMatrix3; class LLPrivateMemoryPool; @@ -278,19 +279,22 @@ public: // Src and dst are same size. Src has 4 components. Dst has 3 components. void compositeUnscaled4onto3( LLImageRaw* src ); - // Filter Operations + // Filter Operations : Transforms void filterGrayScale(); // Convert to grayscale void filterSepia(); // Convert to sepia void filterSaturate(F32 saturation); // < 1.0 desaturates, > 1.0 saturates - void filterRotate(F32 alpha); // Rotates hue according to alpha, alpha in degrees - void filterGamma(F32 gamma); // Apply gamma to all channels - void filterLinearize(F32 tail); // Use histogram to linearize constrast between min and max values minus tail - void filterEqualize(S32 nb_classes); // Use histogram to equalize constrast throughout the image - void filterColorize(const LLColor4U& color); // Colorize with color. Alpha will be taken into account for colorization intensity. - void filterContrast(F32 slope); // Change contrast according to slope: > 1.0 more contrast, < 1.0 less contrast - void filterBrightness(S32 add); // Change brightness according to add: > 0 brighter, < 0 darker - void filterColorBalance(F32 gamma_red, F32 gamma_green, F32 gamma_blue); // Change the color balance applying gammas to each channel - void filterMinMax(S32 min, S32 max); // Redistribute contrast / brightness between min and max in a linear way + void filterRotate(F32 alpha); // Rotates hue according to alpha, alpha is an angle in degrees + + // Filter Operations : Color Corrections + // When specified, the LLColor3 alpha parameter indicates the intensity of the effect for each color channel + // acting in effect as an alpha blending factor different for each channel. For instance (1.0,0.0,0.0) will apply + // the effect only to the Red channel. Intermediate values blends the effect with the source color. + void filterGamma(F32 gamma, const LLColor3& alpha); // Apply gamma to each channel + void filterLinearize(F32 tail, const LLColor3& alpha); // Use histogram to linearize constrast between min and max values minus tail + void filterEqualize(S32 nb_classes, const LLColor3& alpha); // Use histogram to equalize constrast between nb_classes throughout the image + void filterColorize(const LLColor3& color, const LLColor3& alpha); // Colorize with color and alpha per channel + void filterContrast(F32 slope, const LLColor3& alpha); // Change contrast according to slope: > 1.0 more contrast, < 1.0 less contrast + void filterBrightness(S32 add, const LLColor3& alpha); // Change brightness according to add: > 0 brighter, < 0 darker // Filter Primitives void colorTransform(const LLMatrix3 &transform); |