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https://github.com/libretro/scummvm.git
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1d764bd787
Selecting whether a clipping variant of a draw call needs to be used is no longer the responsibility to the caller. The clipping rect is now part of the state of the renderer. Also fix some of the draw calls to better apply the clipping rect.
148 lines
4.4 KiB
C++
148 lines
4.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/textconsole.h"
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#include "common/util.h"
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#include "graphics/VectorRenderer.h"
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#define VECTOR_RENDERER_FAST_TRIANGLES
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namespace Graphics {
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/********************************************************************
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* DRAWSTEP handling functions
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********************************************************************/
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void VectorRenderer::drawStep(const Common::Rect &area, const Common::Rect &clip, const DrawStep &step, uint32 extra) {
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if (step.bgColor.set)
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setBgColor(step.bgColor.r, step.bgColor.g, step.bgColor.b);
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if (step.fgColor.set)
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setFgColor(step.fgColor.r, step.fgColor.g, step.fgColor.b);
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if (step.bevelColor.set)
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setBevelColor(step.bevelColor.r, step.bevelColor.g, step.bevelColor.b);
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if (step.gradColor1.set && step.gradColor2.set)
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setGradientColors(step.gradColor1.r, step.gradColor1.g, step.gradColor1.b,
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step.gradColor2.r, step.gradColor2.g, step.gradColor2.b);
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setShadowOffset(_disableShadows ? 0 : step.shadow);
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setBevel(step.bevel);
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setGradientFactor(step.factor);
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setStrokeWidth(step.stroke);
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setFillMode((FillMode)step.fillMode);
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setClippingRect(clip);
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_dynamicData = extra;
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(this->*(step.drawingCall))(area, step);
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}
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int VectorRenderer::stepGetRadius(const DrawStep &step, const Common::Rect &area) {
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int radius = 0;
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if (step.radius == 0xFF)
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radius = MIN(area.width(), area.height()) / 2;
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else
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radius = step.radius;
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if (step.scale != (1 << 16) && step.scale != 0)
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radius = (radius * step.scale) >> 16;
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return radius;
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}
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void VectorRenderer::stepGetPositions(const DrawStep &step, const Common::Rect &area, uint16 &in_x, uint16 &in_y, uint16 &in_w, uint16 &in_h) {
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if (!step.autoWidth) {
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in_w = step.w == -1 ? area.height() : step.w;
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switch (step.xAlign) {
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case Graphics::DrawStep::kVectorAlignManual:
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if (step.x >= 0)
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in_x = area.left + step.x + step.padding.left;
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else
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in_x = area.left + area.width() + step.x + step.padding.left; // value relative to the opposite corner.
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break;
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case Graphics::DrawStep::kVectorAlignCenter:
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in_x = area.left + (area.width() / 2) - (in_w / 2) + ((step.padding.left + step.padding.right ) / 2);
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break;
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case Graphics::DrawStep::kVectorAlignLeft:
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in_x = area.left + step.padding.left;
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break;
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case Graphics::DrawStep::kVectorAlignRight:
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in_x = area.left + area.width() - in_w - step.padding.right;
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break;
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default:
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error("Vertical alignment in horizontal data");
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}
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} else {
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in_x = area.left + step.padding.left;
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in_w = area.width();
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}
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if (!step.autoHeight) {
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in_h = step.h == -1 ? area.width() : step.h;
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switch (step.yAlign) {
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case Graphics::DrawStep::kVectorAlignManual:
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if (step.y >= 0)
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in_y = area.top + step.y + step.padding.top;
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else
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in_y = area.top + area.height() + step.y + step.padding.top; // relative
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break;
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case Graphics::DrawStep::kVectorAlignCenter:
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in_y = area.top + (area.height() / 2) - (in_h / 2) + ((step.padding.top + step.padding.bottom ) / 2);
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break;
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case Graphics::DrawStep::kVectorAlignTop:
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in_y = area.top + step.padding.top;
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break;
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case Graphics::DrawStep::kVectorAlignBottom:
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in_y = area.top + area.height() - in_h - step.padding.bottom;
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break;
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default:
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error("Horizontal alignment in vertical data");
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}
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} else {
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in_y = area.top + step.padding.top;
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in_h = area.height();
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}
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if (step.scale != (1 << 16) && step.scale != 0) {
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in_x = (in_x * step.scale) >> 16;
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in_y = (in_y * step.scale) >> 16;
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in_w = (in_w * step.scale) >> 16;
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in_h = (in_h * step.scale) >> 16;
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}
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}
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} // End of namespace Graphics
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