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Yousef Khadadeh 2025-07-06 20:43:53 +03:00
commit 6088fc29ed
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src/DrawingProgram/InkDropperTool.cpp Normal file
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#include "InkDropperTool.hpp"
#include "DrawingProgram.hpp"
#include "../Server/CommandList.hpp"
#include "../MainProgram.hpp"
#include "../DrawData.hpp"
#include <include/core/SkAlphaType.h>
#include <include/core/SkCanvas.h>
#include <include/core/SkColor.h>
#include <include/core/SkColorType.h>
#include <include/core/SkRRect.h>
#include <include/core/SkRect.h>
#include <include/core/SkColorSpace.h>
#include <include/core/SkStream.h>
#include <include/core/SkSurface.h>
#ifdef USE_SKIA_BACKEND_GRAPHITE
#include <include/gpu/graphite/Surface.h>
#elif USE_SKIA_BACKEND_GANESH
#include <include/gpu/ganesh/GrDirectContext.h>
#include <include/gpu/ganesh/SkSurfaceGanesh.h>
#endif
#include <Helpers/Logger.hpp>
InkDropperTool::InkDropperTool(DrawingProgram& initDrawP):
drawP(initDrawP)
{
}
void InkDropperTool::gui_toolbox() {
Toolbar& t = drawP.world.main.toolbar;
t.gui.push_id("Color select tool");
t.gui.text_label_centered("Color Select");
t.gui.pop_id();
}
void InkDropperTool::tool_update() {
if(drawP.controls.leftClick) {
SkSurfaceProps props;
SkImageInfo imgInfo = SkImageInfo::MakeN32Premul(drawP.world.main.window.size.x(), drawP.world.main.window.size.y());
#ifdef USE_SKIA_BACKEND_GRAPHITE
sk_sp<SkSurface> surface = SkSurfaces::RenderTarget(drawP.world.main.window.recorder(), imgInfo, skgpu::Mipmapped::kNo, &props);
#elif USE_SKIA_BACKEND_GANESH
sk_sp<SkSurface> surface = SkSurfaces::RenderTarget(drawP.world.main.window.ctx.get(), skgpu::Budgeted::kNo, imgInfo, 0, &props);
#endif
if(!surface) {
Logger::get().log("INFO", "[SkSurfaces::WrapBackendRenderTarget] Ink Dropper Tool could not make surface");
return;
}
SkCanvas* inkDropperCanvas = surface->getCanvas();
if(!inkDropperCanvas) {
Logger::get().log("INFO", "Ink Dropper Tool could not make canvas");
return;
}
int xPos = std::clamp<int>(drawP.world.main.input.mouse.pos.x(), 0, drawP.world.main.window.size.x() - 1);
int yPos = std::clamp<int>(drawP.world.main.input.mouse.pos.y(), 0, drawP.world.main.window.size.y() - 1);
inkDropperCanvas->save();
drawP.world.drawData.dontUseDrawProgCache = true;
drawP.world.main.draw(inkDropperCanvas);
drawP.world.drawData.dontUseDrawProgCache = false;
inkDropperCanvas->restore();
//drawP.world.main.window.ctx->flush();
Vector4<uint8_t> readData;
SkImageInfo readDataInfo = SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kUnpremul_SkAlphaType);
#ifdef USE_SKIA_BACKEND_GRAPHITE
// NOT WORKING IN GRAPHITE YET
//surface->makeImageSnapshot()->readPixels(drawP.world.main.window.ctx.get(), readDataInfo, (void*)readData.data(), 4, xPos, yPos);
#elif USE_SKIA_BACKEND_GANESH
surface->makeImageSnapshot()->readPixels(drawP.world.main.window.ctx.get(), readDataInfo, (void*)readData.data(), 4, xPos, yPos);
#endif
drawP.controls.foregroundColor = readData.cast<float>() / 255.0f;
}
}
void InkDropperTool::draw(SkCanvas* canvas, const DrawData& drawData) {
}