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/foundation/arkui/ace_engine_lite/frameworks/src/core/components/
H A Dpanel_view.cpp153 const uint8_t alpha = OPA_OPAQUE; in SetVideoSlider() local
156 videoSlider_->SetBackgroundStyle(STYLE_BACKGROUND_OPA, alpha); in SetVideoSlider()
159 videoSlider_->SetForegroundStyle(STYLE_BACKGROUND_OPA, alpha); in SetVideoSlider()
/foundation/graphic/graphic_utils_lite/interfaces/kits/gfx_utils/diagram/spancolorfill/
H A Dfill_pattern_rgba.h68 fillColor.alpha = MAX_COLOR_NUM; in NoColor()
144 color->alpha = colorType.alpha; in ChangeColor()
/foundation/graphic/graphic_2d/rosen/test/2d_graphics/fuzztest/ndk/ndkbrush_fuzzer/
H A Dbrush_fuzzer.cpp48 uint8_t alpha = GetObject<uint8_t>(); in BrushFuzzTest000() local
62 OH_Drawing_BrushSetAlpha(nullptr, alpha); in BrushFuzzTest000()
63 OH_Drawing_BrushSetAlpha(brush, alpha); in BrushFuzzTest000()
/foundation/multimedia/image_framework/interfaces/kits/native/include/
H A Dimage_pixel_map_mdk.h79 * @brief Enumerates the pixel map alpha types.
236 * @brief Creates a <b>PixelMap</b> object that contains only alpha channel information.
240 * @param alpha Indicates the pointer to the alpha channel.
274 int32_t OH_PixelMap_CreateAlphaPixelMap(napi_env env, napi_value source, napi_value* alpha);
324 * @brief Checks whether a <b>PixelMap</b> object supports alpha channels.
327 * @param alpha Indicates the pointer to the support for alpha channels.
338 int32_t OH_PixelMap_IsSupportAlpha(const NativePixelMap* native, int32_t* alpha);
341 * @brief Sets an alpha channe
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/third_party/ffmpeg/libavcodec/
H A Dvc1dsp.h69 void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
71 const uint8_t *src2a, int alpha, int width);
74 int alpha, int width);
/third_party/lame/libmp3lame/
H A Dversion.c61 "(alpha " STR(LAME_PATCH_VERSION) ", " __DATE__ " " __TIME__ ")"; in get_lame_version()
93 STR(LAME_MAJOR_VERSION) "." STR(LAME_MINOR_VERSION) " (alpha " STR(LAME_PATCH_VERSION) ")"; in get_lame_short_version()
168 " (alpha " STR(PSY_ALPHA_VERSION) ", " __DATE__ " " __TIME__ ")"; in get_psy_version()
212 lvp->alpha = LAME_PATCH_VERSION; in get_lame_version_numerical()
215 lvp->alpha = 0; in get_lame_version_numerical()
218 lvp->alpha = 0; in get_lame_version_numerical()
/third_party/skia/src/core/
H A DSkBlitter_A8.cpp47 void SkA8_Coverage_Blitter::blitV(int x, int y, int height, SkAlpha alpha) { in blitV() argument
48 if (0 == alpha) { in blitV()
55 *dst = alpha; in blitV()
/third_party/skia/third_party/externals/oboe/apps/OboeTester/app/src/main/java/com/google/sample/oboe/manualtest/
H A DTapLatencyAnalyser.java53 float alpha = 0.05f; in highPassFilter()
56 float yn = alpha * yn1 + ((1.0f - alpha) * (xn - xn1)); in highPassFilter()
/third_party/skia/tests/
H A DRuntimeBlendTest.cpp36 for (int alpha : {0x80, 0xFF}) { in test_blend()
46 paint.setColor(SkColorSetARGB(alpha, 0x00, 0x00, 0xFF)); in test_blend()
64 (alpha == 0xFF) ? "solid" : "transparent", in test_blend()
/third_party/skia/third_party/externals/dawn/examples/
H A DCHelloTriangle.cpp67 blend.alpha.operation = WGPUBlendOperation_Add; in init()
68 blend.alpha.srcFactor = WGPUBlendFactor_One; in init()
69 blend.alpha.dstFactor = WGPUBlendFactor_One; in init()
/third_party/skia/tools/
H A Dimgcvt.cpp123 auto alpha = skcms_AlphaFormat_PremulAsEncoded; in main() local
130 if (!skcms_Transform(pixmap.addr(), fmt,alpha, &src_profile, in main()
131 pixmap.writable_addr(), fmt,alpha, &dst_profile, in main()
/third_party/mesa3d/src/panfrost/lib/
H A Dpan_blend.c323 /* Returns if src alpha = 0 implies the blended colour equals the destination
324 * colour. Suppose source alpha = 0 and consider cases.
327 * with S_a = 0, for each component. For the alpha component (if it unmasked),
363 /* Returns if src alpha = 1 implies the blended colour equals the source
364 * colour. Suppose source alpha = 1 and consider cases.
395 is_dest_factor(enum blend_factor factor, bool alpha) in is_dest_factor() argument
399 (factor == BLEND_FACTOR_SRC_ALPHA_SATURATE && !alpha); in is_dest_factor()
431 out->alpha.a = MALI_BLEND_OPERAND_A_SRC; in pan_blend_to_fixed_function_equation()
432 out->alpha.b = MALI_BLEND_OPERAND_B_SRC; in pan_blend_to_fixed_function_equation()
433 out->alpha in pan_blend_to_fixed_function_equation()
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/third_party/skia/third_party/externals/angle2/src/libGLESv1_CM/
H A DlibGLESv1_CM.cpp23 void GL_APIENTRY glClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) in glClearColor() argument
25 return GL_ClearColor(red, green, blue, alpha); in glClearColor()
38 void GL_APIENTRY glColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) in glColor4f() argument
40 return GL_Color4f(red, green, blue, alpha); in glColor4f()
248 void GL_APIENTRY glClearColorx(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha) in glClearColorx() argument
250 return GL_ClearColorx(red, green, blue, alpha); in glClearColorx()
273 void GL_APIENTRY glColor4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha) in glColor4ub() argument
275 return GL_Color4ub(red, green, blue, alpha); in glColor4ub()
278 void GL_APIENTRY glColor4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha) in glColor4x() argument
280 return GL_Color4x(red, green, blue, alpha); in glColor4x()
283 glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) glColorMask() argument
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/third_party/skia/src/gpu/effects/
H A DGrPorterDuffXferProcessor.cpp181 * When there is no coverage, or the blend mode can tweak alpha for coverage, we use the standard
567 PDLCDXferProcessor(const SkPMColor4f& blendConstant, float alpha);
591 PDLCDXferProcessor::PDLCDXferProcessor(const SkPMColor4f& blendConstant, float alpha)
595 , fAlpha(alpha) {
608 float alpha = blendConstantUPM.fA;
610 return sk_sp<GrXferProcessor>(new PDLCDXferProcessor(blendConstantPM, alpha));
617 const char* alpha;
621 "alpha",
622 &alpha);
624 // We want to force our primary output to be alpha * Coverag
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/third_party/skia/third_party/externals/libpng/contrib/libtests/
H A Dpngstest.c185 unpremultiply(int component, int alpha)
187 if (alpha <= component)
190 else if (alpha >= 65535)
194 return sRGB((double)component / alpha);
205 ilineara(int fixed_srgb, int alpha) in ilineara() argument
207 return u16d((257 * alpha) * sRGB_to_d[fixed_srgb]); in ilineara()
218 ilineara_g22(int fixed_srgb, int alpha) in ilineara_g22() argument
220 return u16d((257 * alpha) * g22_to_d[fixed_srgb]); in ilineara_g22()
378 "sRGB-gray+alpha",
380 "sRGB-rgb+alpha",
3707 unsigned int alpha; main() local
3738 unsigned int alpha; main() local
3766 unsigned int alpha; main() local
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/foundation/graphic/graphic_2d/rosen/modules/render_service/core/pipeline/
H A Drs_uni_render_processor.cpp99 "buffer:[%d, %d] alpha:[%f] type:[%d]", in CreateLayer()
104 buffer->GetSurfaceBufferWidth(), buffer->GetSurfaceBufferHeight(), layerInfo.alpha, layerInfo.layerType); in CreateLayer()
108 "buffer:[%{public}d, %{public}d] alpha:[%{public}f]", in CreateLayer()
113 buffer->GetSurfaceBufferWidth(), buffer->GetSurfaceBufferHeight(), layerInfo.alpha); in CreateLayer()
145 "buffer:[%d, %d] alpha:[%f] type:[%d]", in CreateLayerForRenderThread()
150 buffer->GetSurfaceBufferWidth(), buffer->GetSurfaceBufferHeight(), layerInfo.alpha, layerInfo.layerType); in CreateLayerForRenderThread()
154 "buffer:[%{public}d, %{public}d] alpha:[%{public}f] type:%{public}d]", in CreateLayerForRenderThread()
159 buffer->GetSurfaceBufferWidth(), buffer->GetSurfaceBufferHeight(), layerInfo.alpha, layerInfo.layerType); in CreateLayerForRenderThread()
242 GraphicLayerAlpha alpha; in GetLayerInfo() local
243 alpha in GetLayerInfo()
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/foundation/graphic/graphic_2d/rosen/test/2d_graphics/fuzztest/ndk/drawing_fuzzer/
H A Ddrawing_fuzzer.cpp70 uint32_t alpha = static_cast<uint32_t>(data[1]); in NativeDrawingBrushTest() local
74 OH_Drawing_BrushSetColor(brush, OH_Drawing_ColorSetArgb(alpha, red, gree, blue)); in NativeDrawingBrushTest()
329 uint32_t alpha = static_cast<float>(data[1]); in OHDrawingTypographyTest() local
334 OH_Drawing_SetTextStyleColor(txtStyle, OH_Drawing_ColorSetArgb(alpha, red, gree, blue)); in OHDrawingTypographyTest()
354 OH_Drawing_CanvasClear(cCanvas, OH_Drawing_ColorSetArgb(alpha, red, gree, blue)); in OHDrawingTypographyTest()
379 uint32_t alpha = static_cast<float>(data[0]); in OHDrawingLineTypographyTest() local
384 OH_Drawing_SetTextStyleColor(textStyle, OH_Drawing_ColorSetArgb(alpha, red, gree, blue)); in OHDrawingLineTypographyTest()
422 uint32_t alpha = static_cast<float>(data[0]); in NativeDrawingPenTest() local
428 OH_Drawing_PenSetColor(pen, OH_Drawing_ColorSetArgb(alpha, red, gree, blue)); in NativeDrawingPenTest()
/foundation/graphic/graphic_2d/rosen/test/2d_graphics/unittest/draw/
H A Dpen_test.cpp354 uint32_t alpha = 1; in HWTEST_F() local
355 pen->SetAlpha(alpha); in HWTEST_F()
356 ASSERT_EQ(alpha, pen->GetAlpha()); in HWTEST_F()
370 uint32_t alpha = 0; in HWTEST_F() local
371 pen->SetAlpha(alpha); in HWTEST_F()
372 ASSERT_EQ(alpha, pen->GetAlpha()); in HWTEST_F()
386 scalar alpha = 0; in HWTEST_F() local
387 pen->SetAlphaF(alpha); in HWTEST_F()
388 ASSERT_TRUE(IsScalarAlmostEqual(alpha, pen->GetAlphaF())); in HWTEST_F()
/third_party/ffmpeg/libavfilter/
H A Dvf_bilateral.c45 float alpha; member
97 s->alpha = expf(-sqrtf(2.f) / s->sigmaS); in config_params()
101 s->range_table[i] = s->alpha * expf(-i * inv_sigma_range); in config_params()
167 const float alpha = s->alpha; \
169 const float inv_alpha_ = 1.f - alpha; \
245 const float alpha = s->alpha; \
247 const float inv_alpha_ = 1.f - alpha; \
H A Dvf_deshake.c411 float alpha = 2.0 / deshake->refcount; in filter_frame() local
462 deshake->avg.vec.x = alpha * t.vec.x + (1.0 - alpha) * deshake->avg.vec.x; in filter_frame()
463 deshake->avg.vec.y = alpha * t.vec.y + (1.0 - alpha) * deshake->avg.vec.y; in filter_frame()
464 deshake->avg.angle = alpha * t.angle + (1.0 - alpha) * deshake->avg.angle; in filter_frame()
465 deshake->avg.zoom = alpha * t.zoom + (1.0 - alpha) * deshake->avg.zoom; in filter_frame()
/third_party/mesa3d/src/mesa/main/
H A Dtexenv.c178 GLboolean alpha, legal; in set_combiner_source() local
181 * Translate pname to (term, alpha). in set_combiner_source()
191 alpha = GL_FALSE; in set_combiner_source()
198 alpha = GL_TRUE; in set_combiner_source()
253 if (alpha) in set_combiner_source()
269 GLboolean alpha, legal; in set_combiner_operand() local
279 alpha = GL_FALSE; in set_combiner_operand()
286 alpha = GL_TRUE; in set_combiner_operand()
307 legal = !alpha; in set_combiner_operand()
324 if (alpha) in set_combiner_operand()
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/foundation/arkui/ui_lite/frameworks/core/
H A Drender_manager.cpp105 static float alpha = 1.f / SAMPLE_NUMBER; in UpdateFPSByAverageSamplingMethod() local
110 alpha = 1.f / SAMPLE_NUMBER; in UpdateFPSByAverageSamplingMethod()
125 avgDuration = avgDuration * (1 - alpha) + deltaTime * alpha; in UpdateFPSByAverageSamplingMethod()
/kernel/linux/linux-5.10/net/ipv4/
H A Dtcp_vegas.c44 static int alpha = 2; variable
48 module_param(alpha, int, 0644);
49 MODULE_PARM_DESC(alpha, "lower bound of packets in network");
260 } else if (diff < alpha) { in tcp_vegas_cong_avoid()
/kernel/linux/linux-5.10/drivers/gpu/drm/nouveau/nvkm/engine/gr/
H A Dctxgp100.c49 const u32 alpha = grctx->alpha_nr; in gp100_grctx_generate_attrib() local
69 mmio_wr32(info, 0x40585c, alpha); in gp100_grctx_generate_attrib()
70 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gp100_grctx_generate_attrib()
74 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc]; in gp100_grctx_generate_attrib()
/kernel/linux/linux-6.6/net/ipv4/
H A Dtcp_vegas.c44 static int alpha = 2; variable
48 module_param(alpha, int, 0644);
49 MODULE_PARM_DESC(alpha, "lower bound of packets in network");
261 } else if (diff < alpha) { in tcp_vegas_cong_avoid()

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