134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2005 The ScummVM project
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* Copyright (C) 2005 Won Star - GP32 Backend
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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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* 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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* 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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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "common/scummsys.h"
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#include "common/system.h"
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#include "backends/intern.h"
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#include "backends/gp32/gp32std.h"
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#include "backends/gp32/gp32std_grap.h"
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#include "backends/gp32/gp32_launcher.h"
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GPDRAWSURFACE lcdSurface[2];
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uint8 flipIndex = 1;
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uint16 *frameBuffer1;
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uint16 *frameBuffer2;
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extern const unsigned char fontresEng1[];
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extern const unsigned char fontresKor1[];
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void gp_putBitmap8x16(uint16 *frameBuffer, int x, int y, byte *lpBitmap, uint16 wColor) {
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byte *pBitmap = lpBitmap;
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for (int nRow = 0; nRow < 12; nRow ++) {
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byte data = *pBitmap++;
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for (int nCol = 0; nCol < 7; nCol ++) {
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if (data & 0x80)
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if (x + nCol >= 0 && y + nRow >= 0 && x + nCol < 320 && y + nRow < 240)
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gpd_drawPixel16(frameBuffer, x + nCol, y + nRow, wColor);
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data <<= 1;
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}
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}
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}
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void gp_putEngFont(uint16 *frameBuffer, int x, int y, char c, uint16 wColor) {
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byte *pBitmap = (byte *) &fontresEng1[c * 16];
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gp_putBitmap8x16(frameBuffer, x, y, pBitmap, wColor);
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}
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void gp_textOut(uint16 *frameBuffer, int x, int y, char* lpszText, uint16 wColor) {
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// TODO: Handle korean font
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int nPos = x;
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char* pszText = lpszText;
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while (*pszText != '\0') {
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if (*pszText == '\n') {
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nPos = x;
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y += 8;
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} else {
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gp_putEngFont(frameBuffer, nPos, y, *pszText, wColor);
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nPos += 7;
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}
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pszText++;
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}
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}
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void gp_fillRect(uint16 *frameBuffer, int16 x, int16 y, int16 w, int16 h, uint16 color) {
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uint16 *buffer = &frameBuffer[(240 - (y + h)) + (240 * x)];
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for (int i = 0; i < w; i++) {
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for (int j = 0; j < h; j++) {
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*buffer++ = color;
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}
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buffer += 240 - h;
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}
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}
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uint16 gp_RGBTo16(uint16 r, uint16 g, uint16 b) {
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// GP32 16bit color 5551
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if(g_gammaRamp != 100) {
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r *= ((float)g_gammaRamp / 100);
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g *= ((float)g_gammaRamp / 100);
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b *= ((float)g_gammaRamp / 100);
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r = r >= 255 ? 255 : r;
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g = g >= 255 ? 255 : g;
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b = b >= 255 ? 255 : b;
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}
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return (((r >> 3) & 0x1F) << 11) | (((g >> 3) & 0x1F) << 6) | ((b >> 3) & 0x1F) << 1;
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}
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void gp_16ToRGB(uint16 color, uint8 *r, uint8 *g, uint8 *b) {
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*r = ((((color) >> 11) & 0x1F) << 3);
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*g = ((((color) >> 6) & 0x1F) << 3); //(((color>>5)&0x3F) << 2);
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*b = ((((color) >> 1) & 0x1F) << 3); //((color&0x1F) << 3);
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if(g_gammaRamp != 100) {
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*r /= ((float)g_gammaRamp / 100);
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*g /= ((float)g_gammaRamp / 100);
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*b /= ((float)g_gammaRamp / 100);
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}
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}
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void gp_flipScreen() {
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uint16 *frameBuffer1_old = frameBuffer1;
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uint16 *frameBuffer2_old = frameBuffer2;
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GpSurfaceFlip(&lcdSurface[flipIndex]);
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flipIndex = 1 - flipIndex;
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frameBuffer1 = frameBuffer2_old;
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frameBuffer2 = frameBuffer1_old;
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}
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void gp_initFrameBuffer() {
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GpLcdSurfaceGet(&lcdSurface[0], 0);
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GpLcdSurfaceGet(&lcdSurface[1], 1);
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GpSurfaceSet(&lcdSurface[0]);
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frameBuffer1 = (uint16 *)lcdSurface[0].ptbuffer;
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frameBuffer2 = (uint16 *)lcdSurface[1].ptbuffer;
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memset(frameBuffer1, 0xFF, LCD_WIDTH * LCD_HEIGHT * sizeof(uint16));
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memset(frameBuffer2, 0xFF, LCD_WIDTH * LCD_HEIGHT * sizeof(uint16));
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}
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