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Added alpha mask test

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This commit is contained in:
Kirill Poljakov
2023-06-04 22:13:20 +03:00
parent c703722372
commit 859e96a3ab
2 changed files with 132 additions and 0 deletions
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26
DesktopEditor/graphics/tests/alphaMask/alphaMask.pro Normal file
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#CONFIG += c++11 cmdline
#SOURCES += \
QT -= core
QT -= gui
TARGET = test
CONFIG += console
TEMPLATE = app
CORE_ROOT_DIR = $$PWD/../../../..
PWD_ROOT_DIR = $$PWD
include($$CORE_ROOT_DIR/Common/base.pri)
include($$CORE_ROOT_DIR/Common/3dParty/icu/icu.pri)
ADD_DEPENDENCY(graphics)
GRAPHICS_AGG_PATH = $$PWD/../../../agg-2.4
INCLUDEPATH += \
$$GRAPHICS_AGG_PATH/include
SOURCES += main.cpp
DESTDIR = $$PWD_ROOT_DIR/build/$$CORE_BUILDS_PLATFORM_PREFIX/$$CORE_BUILDS_CONFIGURATION_PREFIX

106
DesktopEditor/graphics/tests/alphaMask/main.cpp Normal file
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#include "../../../agg-2.4/include/agg_basics.h"
#include "../../../agg-2.4/include/agg_ellipse.h"
#include "../../../agg-2.4/include/agg_color_rgba.h"
#include "../../../agg-2.4/include/agg_pixfmt_rgba.h"
#include "../../../agg-2.4/include/agg_rasterizer_scanline_aa.h"
#include "../../../agg-2.4/include/agg_renderer_scanline.h"
#include "../../../agg-2.4/include/agg_scanline_u.h"
#include "../../../agg-2.4/include/agg_pixfmt_amask_adaptor.h"
#include "../../../agg-2.4/svg/agg_svg_rasterizer.h"
#include "../../../agg-2.4/include/agg_renderer_base.h"
#include "../../../agg-2.4/include/agg_alpha_mask_u8.h"
#include "../../../agg-2.4/include/agg_scanline_p.h"
#include "../../../raster/BgraFrame.h"
typedef agg::rendering_buffer rendering_buffer_type;
typedef agg::pixfmt_bgra32 pixformat_type;
typedef agg::blender_rgba< agg::svg::color_type, agg::svg::component_order > blender_type;
typedef agg::comp_op_adaptor_rgba< agg::svg::color_type, agg::svg::component_order > blender_type_comp;
typedef agg::pixfmt_alpha_blend_rgba< blender_type, agg::rendering_buffer, agg::svg::pixel_type > pixfmt_type;
typedef agg::pixfmt_custom_blend_rgba< blender_type_comp, agg::rendering_buffer> pixfmt_type_comp;
typedef agg::rasterizer_scanline_aa<> rasterizer_type;
typedef agg::renderer_base<pixfmt_type> base_renderer_type;
typedef agg::renderer_base<pixfmt_type_comp> comp_renderer_type;
typedef agg::scanline_u8 scanline_type;
typedef agg::amask_no_clip_bgra32gray alpha_mask_type;
typedef agg::renderer_base<pixformat_type> ren_base;
typedef agg::renderer_scanline_aa_solid<ren_base> renderer;
typedef unsigned char BYTE;
void testAlphaMask(const std::wstring& wsResultPath, unsigned int unWidth, unsigned int unHeight)
{
if (0 == unWidth || 0 == unHeight)
return;
rasterizer_type oRasterizer;
// Генерируем альфа-маску
agg::rendering_buffer oAlphaMaskRbuf;
alpha_mask_type oAlphaMask(oAlphaMaskRbuf);
agg::int8u* pAlpha_buf = new agg::int8u[unWidth * unHeight * agg::svg::frame_buffer_rgba::pix_size];
oAlphaMaskRbuf.attach(pAlpha_buf, unWidth,unHeight, -4 * unWidth);
pixformat_type oPixfAlpha(oAlphaMaskRbuf);
ren_base oRenBaseAlpha(oPixfAlpha);
renderer oRendereAlpha(oRenBaseAlpha);
agg::ellipse ell;
ell.init(100, 400, 300, 300, 100);
oRasterizer.add_path(ell);
oRendereAlpha.color(agg::rgba8(255, 0, 0));
agg::scanline_p8 oScanLineAlpha;
agg::render_scanlines(oRasterizer, oScanLineAlpha, oRendereAlpha);
ell.init(500, 500, 500, 500, 100);
oRasterizer.add_path(ell);
typedef agg::scanline_u8_am<alpha_mask_type> scanline_type;
scanline_type oScanLine(oAlphaMask);
agg::int8u* pFrameBuffer = new agg::int8u[unWidth * unHeight * agg::svg::frame_buffer_rgba::pix_size];
rendering_buffer_type oRBuf(pFrameBuffer, unWidth,unHeight, -4 * unWidth);
pixformat_type pixf(oRBuf);
ren_base oRenBase(pixf);
renderer oRenderer(oRenBase);
oRenderer.color(agg::rgba8(0, 255, 0));
agg::render_scanlines(oRasterizer, oScanLine, oRenderer);
CBgraFrame oFrame;
oFrame.put_Data(pFrameBuffer);
oFrame.put_Width(unWidth);
oFrame.put_Height(unHeight);
oFrame.SaveFile(wsResultPath, 4);
delete [] pAlpha_buf;
}
int main(int argc, char *argv[])
{
const std::wstring wsPath = L"alphaMask.png";
testAlphaMask(wsPath, 1000, 1000);
return 0;
}