Files
@ r12857:c93c8cad6874
Branch filter:
Location: cpp/openttd-patchpack/source/src/blitter/32bpp_base.cpp - annotation
r12857:c93c8cad6874
5.0 KiB
text/x-c
(svn r17359) -Fix: put static before cv qualifier, some compilers complain about that
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | r8091:d63ba361d6b8 r8091:d63ba361d6b8 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r9111:983de9c5a848 r6937:bea726150bf3 r8123:dde0a9a84019 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r11085:c87a330fb4c2 r6937:bea726150bf3 r6947:c5e531edca92 r6947:c5e531edca92 r6947:c5e531edca92 r11085:c87a330fb4c2 r6947:c5e531edca92 r6947:c5e531edca92 r6947:c5e531edca92 r6947:c5e531edca92 r6937:bea726150bf3 r6937:bea726150bf3 r11085:c87a330fb4c2 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r11085:c87a330fb4c2 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r11085:c87a330fb4c2 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r11085:c87a330fb4c2 r6948:a40a825a4044 r6948:a40a825a4044 r6948:a40a825a4044 r6985:c27a9a2405aa r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6985:c27a9a2405aa r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6985:c27a9a2405aa r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6985:c27a9a2405aa r6937:bea726150bf3 r6985:c27a9a2405aa r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6985:c27a9a2405aa r6937:bea726150bf3 r6985:c27a9a2405aa r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r11363:6906c490a00e r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6985:c27a9a2405aa r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6951:4f69e3e27c06 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6937:bea726150bf3 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 r6960:e903748e34e4 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file 32bpp_base.cpp Implementation of base for 32 bpp blitters. */
#include "../stdafx.h"
#include "../gfx_func.h"
#include "32bpp_base.hpp"
void *Blitter_32bppBase::MoveTo(const void *video, int x, int y)
{
return (uint32 *)video + x + y * _screen.pitch;
}
void Blitter_32bppBase::SetPixel(void *video, int x, int y, uint8 colour)
{
*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(colour);
}
void Blitter_32bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 colour)
{
uint32 *dst = (uint32 *)video + x + y * _screen.pitch;
if (*dst == 0) *dst = LookupColourInPalette(colour);
}
void Blitter_32bppBase::DrawRect(void *video, int width, int height, uint8 colour)
{
uint32 colour32 = LookupColourInPalette(colour);
do {
uint32 *dst = (uint32 *)video;
for (int i = width; i > 0; i--) {
*dst = colour32;
dst++;
}
video = (uint32 *)video + _screen.pitch;
} while (--height);
}
void Blitter_32bppBase::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour)
{
int dy;
int dx;
int stepx;
int stepy;
int frac;
dy = (y2 - y) * 2;
if (dy < 0) {
dy = -dy;
stepy = -1;
} else {
stepy = 1;
}
dx = (x2 - x) * 2;
if (dx < 0) {
dx = -dx;
stepx = -1;
} else {
stepx = 1;
}
if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
if (dx > dy) {
frac = dy - (dx / 2);
while (x != x2) {
if (frac >= 0) {
y += stepy;
frac -= dx;
}
x += stepx;
frac += dy;
if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
}
} else {
frac = dx - (dy / 2);
while (y != y2) {
if (frac >= 0) {
x += stepx;
frac -= dy;
}
y += stepy;
frac += dx;
if (x >= 0 && y >= 0 && x < screen_width && y < screen_height) this->SetPixel(video, x, y, colour);
}
}
}
void Blitter_32bppBase::CopyFromBuffer(void *video, const void *src, int width, int height)
{
uint32 *dst = (uint32 *)video;
uint32 *usrc = (uint32 *)src;
for (; height > 0; height--) {
memcpy(dst, usrc, width * sizeof(uint32));
usrc += width;
dst += _screen.pitch;
}
}
void Blitter_32bppBase::CopyToBuffer(const void *video, void *dst, int width, int height)
{
uint32 *udst = (uint32 *)dst;
uint32 *src = (uint32 *)video;
for (; height > 0; height--) {
memcpy(udst, src, width * sizeof(uint32));
src += _screen.pitch;
udst += width;
}
}
void Blitter_32bppBase::CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch)
{
uint32 *udst = (uint32 *)dst;
uint32 *src = (uint32 *)video;
for (; height > 0; height--) {
memcpy(udst, src, width * sizeof(uint32));
src += _screen.pitch;
udst += dst_pitch;
}
}
void Blitter_32bppBase::ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y)
{
const uint32 *src;
uint32 *dst;
if (scroll_y > 0) {
/* Calculate pointers */
dst = (uint32 *)video + left + (top + height - 1) * _screen.pitch;
src = dst - scroll_y * _screen.pitch;
/* Decrease height and increase top */
top += scroll_y;
height -= scroll_y;
assert(height > 0);
/* Adjust left & width */
if (scroll_x >= 0) {
dst += scroll_x;
left += scroll_x;
width -= scroll_x;
} else {
src -= scroll_x;
width += scroll_x;
}
for (int h = height; h > 0; h--) {
memcpy(dst, src, width * sizeof(uint32));
src -= _screen.pitch;
dst -= _screen.pitch;
}
} else {
/* Calculate pointers */
dst = (uint32 *)video + left + top * _screen.pitch;
src = dst - scroll_y * _screen.pitch;
/* Decrese height. (scroll_y is <=0). */
height += scroll_y;
assert(height > 0);
/* Adjust left & width */
if (scroll_x >= 0) {
dst += scroll_x;
left += scroll_x;
width -= scroll_x;
} else {
src -= scroll_x;
width += scroll_x;
}
/* the y-displacement may be 0 therefore we have to use memmove,
* because source and destination may overlap */
for (int h = height; h > 0; h--) {
memmove(dst, src, width * sizeof(uint32));
src += _screen.pitch;
dst += _screen.pitch;
}
}
}
int Blitter_32bppBase::BufferSize(int width, int height)
{
return width * height * sizeof(uint32);
}
void Blitter_32bppBase::PaletteAnimate(uint start, uint count)
{
/* By default, 32bpp doesn't have palette animation */
}
Blitter::PaletteAnimation Blitter_32bppBase::UsePaletteAnimation()
{
return Blitter::PALETTE_ANIMATION_NONE;
}
|