mirror of
https://github.com/libretro/scummvm.git
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151 lines
4.2 KiB
C++
151 lines
4.2 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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* $URL$
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* $Id$
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*
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*/
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#include "common/util.h"
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#include "common/system.h"
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#include "common/events.h"
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#include "graphics/surface.h"
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#include "graphics/colormasks.h"
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#include "gui/ThemeEngine.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 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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_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) in_x = area.left + step.x;
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else in_x = area.left + area.width() + step.x; // 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);
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break;
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case Graphics::DrawStep::kVectorAlignLeft:
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in_x = area.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;
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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;
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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) in_y = area.top + step.y;
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else in_y = area.top + area.height() + step.y; // 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);
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break;
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case Graphics::DrawStep::kVectorAlignTop:
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in_y = area.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;
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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;
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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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