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https://github.com/scummvm/scummvm.git
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121 lines
4.4 KiB
C++
121 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "sherlock/surface.h"
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#include "sherlock/fonts.h"
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#include "sherlock/sherlock.h"
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namespace Sherlock {
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BaseSurface::BaseSurface() : Graphics::Screen(0, 0), Fonts() {
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free(); // Free the 0x0 surface allocated by Graphics::Screen
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}
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BaseSurface::BaseSurface(int width_, int height_) : Graphics::Screen(width_, height_),
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Fonts() {
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create(width_, height_);
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}
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BaseSurface::BaseSurface(int width_, int height_, const Graphics::PixelFormat &pf) :
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Graphics::Screen(width_, height_, pf), Fonts() {
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}
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void BaseSurface::writeString(const Common::String &str, const Common::Point &pt, uint overrideColor) {
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Fonts::writeString(this, str, pt, overrideColor);
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}
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void BaseSurface::writeFancyString(const Common::String &str, const Common::Point &pt, uint overrideColor1, uint overrideColor2) {
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writeString(str, Common::Point(pt.x, pt.y), overrideColor1);
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writeString(str, Common::Point(pt.x + 1, pt.y), overrideColor1);
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writeString(str, Common::Point(pt.x + 2, pt.y), overrideColor1);
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writeString(str, Common::Point(pt.x, pt.y + 1), overrideColor1);
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writeString(str, Common::Point(pt.x + 2, pt.y + 1), overrideColor1);
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writeString(str, Common::Point(pt.x, pt.y + 2), overrideColor1);
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writeString(str, Common::Point(pt.x + 1, pt.y + 2), overrideColor1);
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writeString(str, Common::Point(pt.x + 2, pt.y + 2), overrideColor1);
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writeString(str, Common::Point(pt.x + 1, pt.y + 1), overrideColor2);
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}
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void BaseSurface::SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt,
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bool flipped, int scaleVal) {
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Common::Point drawPt(pt.x + src.sDrawXOffset(scaleVal), pt.y + src.sDrawYOffset(scaleVal));
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SHtransBlitFrom(src._frame, drawPt, flipped, scaleVal);
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}
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void BaseSurface::SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
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bool flipped, int scaleVal) {
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Common::Rect srcRect(0, 0, src.w, src.h);
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Common::Rect destRect(pt.x, pt.y, pt.x + src.w * SCALE_THRESHOLD / scaleVal,
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pt.y + src.h * SCALE_THRESHOLD / scaleVal);
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Graphics::Screen::transBlitFrom(src, srcRect, destRect, IS_3DO ? 0 : TRANSPARENCY,
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flipped);
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}
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void BaseSurface::SHoverrideBlitFrom(const ImageFrame &src, const Common::Point &pt,
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int overrideColor) {
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Common::Point drawPt(pt.x + src.sDrawXOffset(SCALE_THRESHOLD), pt.y + src.sDrawYOffset(SCALE_THRESHOLD));
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SHoverrideBlitFrom(src._frame, drawPt, overrideColor);
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}
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void BaseSurface::SHoverrideBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
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int overrideColor) {
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Common::Rect srcRect(0, 0, src.w, src.h);
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Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
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clip(srcRect, destRect);
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const uint32 transColor = IS_3DO ? 0 : TRANSPARENCY;
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for (int y = 0; y < destRect.height(); y++) {
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for (int x = 0; x < destRect.width(); x++) {
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const uint8 srcVal = src.getPixel(srcRect.left + x, srcRect.top + y);
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if (srcVal == transColor)
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continue;
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setPixel(destRect.left + x, destRect.top + y, overrideColor);
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}
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}
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}
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void BaseSurface::SHbitmapBlitFrom(const byte *src, int widthSrc, int heightSrc, int pitchSrc, const Common::Point &pt,
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int overrideColor) {
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const byte *ptr = src;
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int yin = 0, yout = pt.y;
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int xin = 0, xout = pt.x;
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byte bit = 0x80;
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int ymax = MIN(heightSrc, h - pt.y);
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int xmax = MIN(widthSrc, w - pt.x);
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int pitchskip = pitchSrc - (xmax / 8);
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for (yin = 0; yin < ymax; yin++, yout++) {
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bit = 0x80;
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for (xin = 0, xout = pt.x; xin < xmax; xin++, xout++) {
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if (*ptr & bit)
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setPixel(xout, yout, overrideColor);
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bit >>= 1;
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if (!bit) {
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bit = 0x80;
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ptr++;
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}
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}
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ptr += pitchskip;
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}
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}
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} // End of namespace Sherlock
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