mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
81 lines
3.4 KiB
C++
81 lines
3.4 KiB
C++
// MIT License
|
|
//
|
|
// Copyright (c) 2018-2025 Jakub Melka and Contributors
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#ifndef PDFMESHQUALITYSETTINGS_H
|
|
#define PDFMESHQUALITYSETTINGS_H
|
|
|
|
#include "pdfglobal.h"
|
|
|
|
#include <QTransform>
|
|
|
|
namespace pdf
|
|
{
|
|
|
|
struct PDFMeshQualitySettings
|
|
{
|
|
/// Initializes default resolution
|
|
void initResolution();
|
|
|
|
/// Value used to compute minimal pxiel size resolution (it is multiplied by whole shading area size)
|
|
PDFReal minimalMeshResolutionRatio = 0.005;
|
|
|
|
/// Value used to compute pixel size resolution (it is multiplied by whole shading area size)
|
|
PDFReal preferredMeshResolutionRatio = 0.02;
|
|
|
|
/// Matrix, which transforms user space points (user space is target space of the shading)
|
|
/// to the device space of the paint device.
|
|
QTransform userSpaceToDeviceSpaceMatrix;
|
|
|
|
/// Rectangle in device space coordinate system, onto which is area meshed.
|
|
QRectF deviceSpaceMeshingArea;
|
|
|
|
/// Preferred mesh resolution in device space pixels. Mesh will be created in this
|
|
/// resolution, if it is smooth enough (no jumps in colors occurs).
|
|
PDFReal preferredMeshResolution = 1.0;
|
|
|
|
/// Minimal mesh resolution in device space pixels. If jumps in colors occurs (jump
|
|
/// is two colors, that differ more than \p color tolerance), then mesh is meshed to
|
|
/// minimal mesh resolution.
|
|
PDFReal minimalMeshResolution = 1.0;
|
|
|
|
/// Color tolerance - 1% by default
|
|
PDFReal tolerance = 0.01;
|
|
|
|
/// Test points to determine maximal curvature of the tensor product patch meshes
|
|
PDFInteger patchTestPoints = 64;
|
|
|
|
/// Lower value of the surface curvature meshing resolution mapping. When ratio between
|
|
/// current curvature at the center of meshed triangle and maximal curvature is below
|
|
/// this value, then prefered mesh resolution is used. If ratio is higher than this value
|
|
/// and lower than \p patchResolutionMappingRatioHigh, then target length is linearly mapped.
|
|
/// If value is higher, than \p patchResolutionMappingRatioHigh, then minimal mesh resolution
|
|
/// is used when generating triangles on the patch.
|
|
PDFReal patchResolutionMappingRatioLow = 0.3;
|
|
|
|
/// Highter value of the surface curvature meshing resolution mapping. \sa patchResolutionMappingRatioLow
|
|
PDFReal patchResolutionMappingRatioHigh = 0.9;
|
|
};
|
|
|
|
} // namespace pdf
|
|
|
|
#endif // PDFMESHQUALITYSETTINGS_H
|