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Diffstat (limited to 'backends/gp32/gp32std_grap.cpp')
| -rw-r--r-- | backends/gp32/gp32std_grap.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/backends/gp32/gp32std_grap.cpp b/backends/gp32/gp32std_grap.cpp new file mode 100644 index 0000000000..63eb3862d1 --- /dev/null +++ b/backends/gp32/gp32std_grap.cpp @@ -0,0 +1,133 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2001-2005 The ScummVM project + * Copyright (C) 2005 Won Star - GP32 Backend + * + * This program 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; either version 2 + * of the License, or (at your option) any later version. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $Header$ + * + */ + +#include "stdafx.h" +#include "common/scummsys.h" +#include "common/system.h" +#include "backends/intern.h" + +#include "backends/gp32/gp32std.h" +#include "backends/gp32/gp32std_grap.h" + +#include "backends/gp32/gp32_launcher.h" + +GPDRAWSURFACE lcdSurface[2]; + +uint8 flipIndex = 1; + +uint16 *frameBuffer1; +uint16 *frameBuffer2; + +extern const unsigned char fontresEng1[]; +extern const unsigned char fontresKor1[]; + +void gp_putBitmap8x16(uint16 *frameBuffer, int x, int y, byte *lpBitmap, uint16 wColor) { + byte *pBitmap = lpBitmap; + for (int nRow = 0; nRow < 12; nRow ++) { + byte data = *pBitmap++; + for (int nCol = 0; nCol < 7; nCol ++) { + if (data & 0x80) + gpd_drawPixel16(frameBuffer, x + nCol, y + nRow, wColor); + + data <<= 1; + } + } +} + +void gp_putEngFont(uint16 *frameBuffer, int x, int y, char c, uint16 wColor) { + byte *pBitmap = (byte *) &fontresEng1[c * 16]; + gp_putBitmap8x16(frameBuffer, x, y, pBitmap, wColor); +} + +void gp_textOut(uint16 *frameBuffer, int x, int y, char* lpszText, uint16 wColor) { + // TODO: Handle korean font + int nPos = x; + char* pszText = lpszText; + + while (*pszText != '\0') { + if (*pszText == '\n') { + nPos = x; + y += 8; + } else { + gp_putEngFont(frameBuffer, nPos, y, *pszText, wColor); + nPos += 7; + } + + pszText++; + } +} + +void gp_fillRect(uint16 *frameBuffer, int16 x, int16 y, int16 w, int16 h, uint16 color) { + uint16 *buffer = &frameBuffer[(240 - (y + h)) + (240 * x)]; + for (int i = 0; i < w; i++) { + for (int j = 0; j < h; j++) { + *buffer++ = color; + } + buffer += 240 - h; + } +} + +uint16 gp_RGBTo16(uint16 r, uint16 g, uint16 b) { + // GP32 16bit color 5551 + if(g_gammaRamp != 100) { + r *= ((float)g_gammaRamp / 100); + g *= ((float)g_gammaRamp / 100); + b *= ((float)g_gammaRamp / 100); + r = r >= 255 ? 255 : r; + g = g >= 255 ? 255 : g; + b = b >= 255 ? 255 : b; + } + return (((r >> 3) & 0x1F) << 11) | (((g >> 3) & 0x1F) << 6) | ((b >> 3) & 0x1F) << 1; +} + +void gp_16ToRGB(uint16 color, uint8 *r, uint8 *g, uint8 *b) { + *r = ((((color) >> 11) & 0x1F) << 3); + *g = ((((color) >> 6) & 0x1F) << 3); //(((color>>5)&0x3F) << 2); + *b = ((((color) >> 1) & 0x1F) << 3); //((color&0x1F) << 3); + + if(g_gammaRamp != 100) { + *r /= ((float)g_gammaRamp / 100); + *g /= ((float)g_gammaRamp / 100); + *b /= ((float)g_gammaRamp / 100); + } +} + +void gp_flipScreen() { + uint16 *frameBuffer1_old = frameBuffer1; + uint16 *frameBuffer2_old = frameBuffer2; + + GpSurfaceFlip(&lcdSurface[flipIndex]); + flipIndex = 1 - flipIndex; + frameBuffer1 = frameBuffer2_old; + frameBuffer2 = frameBuffer1_old; +} + +void gp_initFrameBuffer() { + GpLcdSurfaceGet(&lcdSurface[0], 0); + GpLcdSurfaceGet(&lcdSurface[1], 1); + GpSurfaceSet(&lcdSurface[0]); + frameBuffer1 = (uint16 *)lcdSurface[0].ptbuffer; + frameBuffer2 = (uint16 *)lcdSurface[1].ptbuffer; + + memset(frameBuffer1, 0xFF, LCD_WIDTH * LCD_HEIGHT * sizeof(uint16)); + memset(frameBuffer2, 0xFF, LCD_WIDTH * LCD_HEIGHT * sizeof(uint16)); +} |