pikapython/package/Arm2D/__arm_2d_alpha_blending.inc
2021-11-09 22:19:51 +08:00

321 lines
12 KiB
C++

/*
* Copyright (C) 2010-2021 Arm Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* ----------------------------------------------------------------------
* Project: Arm-2D Library
* Title: __arm_2d_alpha_blending.inc
* Description: c code template for drawing pattern
*
* $Date: 08. Sept 2021
* $Revision: V.1.1.0
*
* -------------------------------------------------------------------- */
#ifndef __API_COLOUR
# error You have to define __API_COLOUR before using this c template
#endif
#ifndef __API_INT_TYPE
# error You have to define the __API_INT_TYPE before using this c template
#endif
#ifndef __API_PIXEL_BLENDING
# error You have to define __API_PIXEL_BLENDING before using this c template
#endif
#undef ____ARM_2D_FUNC
#undef ___ARM_2D_FUNC
#undef __ARM_2D_FUNC
#define ____ARM_2D_FUNC(__NAME, __COLOUR) __arm_2d_impl_##__COLOUR##_##__NAME
#define ___ARM_2D_FUNC(__NAME, __COLOUR) ____ARM_2D_FUNC(__NAME, __COLOUR)
#define __ARM_2D_FUNC(__NAME) ___ARM_2D_FUNC(__NAME, __API_COLOUR)
#ifndef __PATCH_ALPHA_BLENDING
__WEAK
void __ARM_2D_FUNC(alpha_blending) (__API_INT_TYPE *__RESTRICT pSourceBase,
int16_t iSourceStride,
__API_INT_TYPE *__RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t *__RESTRICT ptCopySize,
uint_fast8_t chRatio)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
uint16_t hwRatioCompl = 256 - chRatio;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
__API_PIXEL_BLENDING(pSourceBase++, pTargetBase++, hwRatioCompl);
}
pSourceBase += (iSourceStride - iWidth);
pTargetBase += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(alpha_blending) (__API_INT_TYPE *__RESTRICT pSourceBase,
int16_t iSourceStride,
__API_INT_TYPE *__RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t *__RESTRICT ptCopySize,
uint_fast8_t chRatio);
#endif
#ifndef __PATCH_ALPHA_BLENDING_COLOUR_MASKING
__WEAK
void __ARM_2D_FUNC(alpha_blending_colour_keying)(
__API_INT_TYPE * __RESTRICT pSourceBase,
int16_t iSourceStride,
__API_INT_TYPE * __RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t * __RESTRICT ptCopySize,
uint_fast8_t chRatio,
__API_INT_TYPE Colour)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
uint16_t hwRatioCompl = 256 - chRatio;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
if (*pSourceBase != Colour) {
__API_PIXEL_BLENDING( pSourceBase, pTargetBase, hwRatioCompl);
}
pSourceBase++;
pTargetBase++;
}
pSourceBase += (iSourceStride - iWidth);
pTargetBase += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(alpha_blending_colour_keying)(
__API_INT_TYPE * __RESTRICT pSourceBase,
int16_t iSourceStride,
__API_INT_TYPE * __RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t * __RESTRICT ptCopySize,
uint_fast8_t chRatio,
__API_INT_TYPE Colour);
#endif
#ifndef __PATCH_COLOUR_FILLING_WITH_ALPHA
__WEAK
void __ARM_2D_FUNC(colour_filling_with_opacity)(
__API_INT_TYPE *__RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint_fast8_t chRatio)
{
uint16_t hwRatioCompl = 256 - chRatio;
int_fast16_t iWidth = ptCopySize->iWidth;
int_fast16_t iHeight = ptCopySize->iHeight;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++){
__API_PIXEL_BLENDING( &Colour, pTargetBase++, hwRatioCompl);
}
pTargetBase += iTargetStride - iWidth;
}
}
#else
extern
void __ARM_2D_FUNC(colour_filling_with_opacity)(
__API_INT_TYPE *__RESTRICT pTargetBase,
int16_t iTargetStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint_fast8_t chRatio);
#endif
#ifndef __PATCH_COLOUR_FILLING_ALPHA_MASK
__WEAK
void __ARM_2D_FUNC(colour_filling_mask)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint8_t *__RESTRICT pchAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
uint16_t hwAlpha = 256 - (*pchAlpha++);
__API_PIXEL_BLENDING(&Colour, pTarget++, hwAlpha);
}
pchAlpha += (iAlphaStride - iWidth);
pTarget += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(colour_filling_mask)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint8_t *__RESTRICT pchAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour);
#endif
#ifndef __PATCH_COLOUR_FILLING_ALPHA_MASK_OPACITY
__WEAK
void __ARM_2D_FUNC(colour_filling_mask_opacity)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint8_t *__RESTRICT pchAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint8_t chOpacity)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
uint16_t hwAlpha = 256 - ((*pchAlpha++) * chOpacity >> 8);
__API_PIXEL_BLENDING(&Colour, pTarget++, hwAlpha);
}
pchAlpha += (iAlphaStride - iWidth);
pTarget += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(colour_filling_mask_opacity)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint8_t *__RESTRICT pchAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint8_t chOpacity);
#endif
#ifndef __PATCH_COLOUR_FILLING_CHANNEL_MASK
__WEAK
void __ARM_2D_FUNC(colour_filling_channel_mask)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint32_t *__RESTRICT pwAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
uint16_t hwAlpha = 256 - *(uint8_t *)(pwAlpha++);
__API_PIXEL_BLENDING(&Colour, pTarget++, hwAlpha);
}
pwAlpha += (iAlphaStride - iWidth);
pTarget += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(colour_filling_channel_mask)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint32_t *__RESTRICT pwAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour);
#endif
#ifndef __PATCH_COLOUR_FILLING_CHANNEL_MASK_OPACITY
__WEAK
void __ARM_2D_FUNC(colour_filling_channel_mask_opacity)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint32_t *__RESTRICT pwAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint8_t chOpacity)
{
int_fast16_t iHeight = ptCopySize->iHeight;
int_fast16_t iWidth = ptCopySize->iWidth;
for (int_fast16_t y = 0; y < iHeight; y++) {
for (int_fast16_t x = 0; x < iWidth; x++) {
uint16_t hwAlpha = 256 - (*(uint8_t *)(pwAlpha++) * chOpacity >> 8);
__API_PIXEL_BLENDING(&Colour, pTarget++, hwAlpha);
}
pwAlpha += (iAlphaStride - iWidth);
pTarget += (iTargetStride - iWidth);
}
}
#else
extern
void __ARM_2D_FUNC(colour_filling_channel_mask_opacity)(
__API_INT_TYPE *__RESTRICT pTarget,
int16_t iTargetStride,
uint32_t *__RESTRICT pwAlpha,
int16_t iAlphaStride,
arm_2d_size_t *__RESTRICT ptCopySize,
__API_INT_TYPE Colour,
uint8_t chOpacity);
#endif
#undef ____ARM_2D_FUNC
#undef ___ARM_2D_FUNC
#undef __ARM_2D_FUNC
#undef __API_COLOUR
#undef __API_INT_TYPE
#undef __API_PIXEL_BLENDING
#undef __PATCH_ALPHA_BLENDING
#undef __PATCH_ALPHA_BLENDING_COLOUR_MASKING
#undef __PATCH_COLOUR_FILLING_WITH_ALPHA
#undef __PATCH_COLOUR_FILLING_CHANNEL_MASK
#undef __PATCH_COLOUR_FILLING_ALPHA_MASK
#undef __PATCH_COLOUR_FILLING_ALPHA_MASK_OPACITY
#undef __PATCH_COLOUR_FILLING_CHANNEL_MASK_OPACITY