PA_Draw.h

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00001 #ifndef _PA_Buffer
00002 #define _PA_Buffer
00003 
00004 #ifdef __cplusplus
00005 extern "C" {
00006 #endif
00007 
00014 #include "PA9.h"
00015 
00016 #include "PA_Interrupt.h"
00017 #include "PA_Palette.h"
00018 #include "gif/gif_lib.h"
00019 
00020 extern GifFileType* gifinfo;
00021 extern s16 gifwidth, gifheight; 
00022 extern u8 PA_nBit[2]; // 8 or 16 bit Bg
00023 
00024 
00025 #define PA_RGB8(r,g,b)      ((((b)>>3)<<10)|(((g)>>3)<<5)|((r)>>3)|(1 << 15))
00026 
00027 
00028 typedef struct{
00029        u16 Id; // ?
00030        u32 Length;
00031        u16 Nothing1, Nothing2; // ?
00032        u32 ImageStart; // Offset of start of image
00033 } BMPHeader0;
00034 
00035 typedef struct{
00036        u32 SizeofHeader; // 40
00037        u32 Width, Height;
00038        u16 Colorplanes; // Usually 1
00039        u16 BitsperPixel; //1, 2, 4, 8, 16, 24, 32
00040        u32 Compression;  // 0 for none, 1...
00041        u32 SizeofData; // Not reliable
00042        u32 WidthperMeter, HeightperMeter; // Don't care
00043        u32 NColors, ImportantColors; // Number of colors used, important colors ?
00044 } BMP_Headers;
00045 
00046 
00047 extern u16 PA_oldx[2];
00048 extern u16 PA_oldy[2];
00049 extern u8 PA_drawsize[2];
00050 extern u16 *PA_DrawBg[2];
00051 extern u8 PA_nBit[2]; // 8 or 16 bit Bg
00052 //extern PA_SCreen
00053 
00054 extern u16 PA_temppal[256];
00055 
00056 
00057 void PA_Load16bitGif(bool screen, s16 x, s16 y, void *gif);
00058 int DecodeGif(const u8 *userData, u8 *ScreenBuff, u16* Palette, u8 nBits, s16 SWidth);
00059 
00060 
00061 
00079 void PA_Init8bitBg(bool screen, u8 bg_priority);
00080 
00081 
00093 void PA_Init16bitBg(bool screen, u8 bg_priority);
00094 
00095 
00096 
00114 extern inline void PA_Put8bitPixel(bool screen, s16 x, s16 y, u8 color) {
00115        s32 pos = (x >> 1) + (y << 7);
00116        u16 pixel = PA_DrawBg[screen][pos];
00117        if (x&1){
00118               PA_DrawBg[screen][pos] = (color << 8) | (pixel&0x00FF);               
00119        }
00120        else {
00121               PA_DrawBg[screen][pos] = color | (pixel&0xFF00); 
00122        }
00123 }
00124 
00125 
00126 
00145 extern inline void PA_Put2_8bitPixels(bool screen, s16 x, s16 y, u16 colors) {             PA_DrawBg[screen][(x >> 1) + (y << 7)] = colors;
00146 }
00147 
00168 extern inline void PA_PutDouble8bitPixels(bool screen, s16 x, s16 y, u8 color1, u8 color2) {
00169        PA_Put2_8bitPixels(screen, x, y, color1 + (color2 << 8));             
00170 }
00171 
00172 
00173 
00192 extern inline void PA_Put4_8bitPixels(bool screen, s16 x, s16 y, u32 colors) {
00193 /*
00194        (*u32*)(PA_DrawBg[screen] + (x >> 1) + (y << 7)) = colors;*/
00195 }
00196 
00197 
00212 extern inline u8 PA_Get8bitPixel(bool screen, u8 x, u8 y) {
00213        u16 pos =     (x >> 1) + (y << 7);
00214        if (x&1){
00215               return (PA_DrawBg[screen][pos] >> 8);
00216        }
00217        else {
00218               return (PA_DrawBg[screen][pos]);
00219        }
00220 }
00221 
00222 
00223 
00224 
00242 extern inline void PA_Put16bitPixel(bool screen, s16 x, s16 y, u16 color) {
00243        PA_DrawBg[screen][x + (y << 8)] = color;
00244 }
00245 
00246 
00261 #define PA_Get16bitPixel(screen, x, y) PA_DrawBg[screen][x + (y << 8)]
00262 
00263 
00264 
00265 
00266 
00267 
00291 void PA_Draw8bitLine(bool screen, u16 x1, u16 y1, u16 x2, u16 y2, u8 color);
00292 
00293 
00294 
00295 
00296 
00320 void PA_Draw16bitLine(bool screen, u16 x1, u16 y1, u16 x2, u16 y2, u16 color);
00321 
00348 void PA_Draw16bitLineEx(bool screen, s16 basex, s16 basey, s16 endx, s16 endy, u16 color, s8 size);
00349 
00350 void PA_Draw8bitLineEx(bool screen, s16 basex, s16 basey, s16 endx, s16 endy, u8 color, s8 size);
00351 
00352 
00353 
00377 void PA_Draw16bitRect(bool screen, s16 basex, s16 basey, s16 endx, s16 endy, u16 color);
00378 
00379 
00391 void PA_8bitDraw(bool screen, u8 color);
00392 
00393 
00405 void PA_16bitDraw(bool screen, u16 color);
00406 
00407 
00419 #define PA_SetDrawSize(screen, draw_size) PA_drawsize[screen] = draw_size;
00420 
00421 
00422 
00423 
00424 
00436 #define PA_Load8bitBitmap(screen, bitmap) DMA_Copy(bitmap, (void*)PA_DrawBg[screen], 256*96, DMA_16NOW);
00437 
00449 #define PA_Load16bitBitmap(screen, bitmap) {u32 PA_temp; \
00450 for (PA_temp = 0; PA_temp < 256*192; PA_temp++)\
00451 PA_DrawBg[screen][PA_temp] = bitmap[PA_temp] | (1 << 15);}
00452 
00453 
00462 #define PA_Clear8bitBg(screen) DMA_Copy(Blank, (void*)PA_DrawBg[screen], 256*96, DMA_16NOW);
00463 
00472 #define PA_Clear16bitBg(screen) DMA_Copy(Blank, (void*)PA_DrawBg[screen], 256*192, DMA_16NOW)
00473 
00474 
00486 extern inline void PA_LoadJpeg(bool screen, void *jpeg) {
00487        REG_IME = 0x00;
00488        JPEG_DecompressImage((u8*)jpeg, PA_DrawBg[screen], 256, 192);
00489        REG_IME = 0x01;      
00490 }
00491 
00492 
00493 
00514 void PA_LoadBmpToBuffer(u16 *Buffer, s16 x, s16 y, void *bmp, s16 SWidth);
00515 
00516 
00534 extern inline void PA_LoadBmpEx(bool screen, s16 x, s16 y, void *bmp){
00535 PA_LoadBmpToBuffer(PA_DrawBg[screen], x, y, bmp, 256);
00536 }
00537 
00538 
00539 
00551 extern inline void PA_LoadBmp(bool screen, void *bmp){
00552        PA_LoadBmpEx(screen, 0, 0, bmp);
00553 }
00554 
00555 
00556 
00557 
00558 
00559 
00560 
00569 extern inline u16 PA_GetGifWidth(void* gif){
00570        u16 *temp = (u16*)gif;
00571        temp += 3;
00572        return *temp;
00573 }
00574 
00575 
00576 
00585 extern inline u16 PA_GetGifHeight(void* gif){
00586        u16 *temp = (u16*)gif;
00587        temp += 4;
00588        return *temp;
00589 }
00590 
00591 
00592 
00604 extern inline void PA_LoadGif(bool screen, void *gif){
00605        if (PA_nBit[screen]) DecodeGif((const u8*)gif, (u8*)PA_DrawBg[screen], (u16*)0x05000000, 1, 256);
00606        //PA_Load16bitGif(screen, 0, 0, gif); // 16 bit...
00607        else DecodeGif((const u8*)gif, (u8*)PA_DrawBg[screen], (u16*)(0x05000000+(0x400*screen)), 0, 256);
00608 }
00609 /*
00610 extern inline void PA_LoadGif(bool screen, void *gif){
00611        if (PA_nBit[screen]) {
00612               DecodeGif((const u8*)gif, (u8*)PA_DrawBg[screen], PA_temppal, 1, 256);
00613               
00614        }
00615        else {
00616               DecodeGif((const u8*)gif, (u8*)PA_DrawBg[screen], PA_GetBgPal(screen, 3), 0, 256);
00617               PA_LoadBgPal(screen, 3, (void*)PA_temppal);
00618        }
00619 }*/
00620 
00621 
00622 /* // Les différentes fonctions images...
00623 extern inline void PA_LoadJpeg(bool screen, void *jpeg)
00624 void PA_LoadBmp(bool screen, s16 x, s16 y, void *bmp);*/
00625 
00626 
00638 extern inline void PA_LoadGBFSImage(bool screen, s16 GBFSImage){
00639        if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "bmp")){
00640               PA_LoadBmp(screen, PA_GBFSfile[GBFSImage].File);
00641        }
00642        if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "jpg")){ 
00643               PA_LoadJpeg(screen, PA_GBFSfile[GBFSImage].File);
00644        }      
00645        if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "gif")){ 
00646               PA_LoadGif(screen, PA_GBFSfile[GBFSImage].File);
00647        }             
00648 }
00649 
00650 extern inline void PA_LoadGBFSImageToBuffer(void *Buffer, s16 GBFSImage, s16 Width){
00651        if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "bmp")){
00652               PA_LoadBmpToBuffer((u16*)Buffer, 0, 0, (u16*)PA_GBFSfile[GBFSImage].File, Width);
00653        }
00654        /*if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "jpg")){ 
00655               PA_LoadJpeg(screen, PA_GBFSfile[GBFSImage].File);
00656        }      */
00657        if (PA_CompareText(PA_GBFSfile[GBFSImage].Ext, "gif")){ 
00658               DecodeGif((const u8*)PA_GBFSfile[GBFSImage].File, (u8*)Buffer, (u16*)0x05000000, 1, Width);
00659        }             
00660 }
00661 
00662 extern inline u16 PA_GetBmpWidth(void *bmp){
00663        u8 *temp = (u8*)bmp;
00664        BMP_Headers *Bmpinfo = (BMP_Headers*)(temp+14);
00665        return Bmpinfo->Width;
00666 }
00667 extern inline u16 PA_GetBmpHeight(void *bmp){
00668        u8 *temp = (u8*)bmp;
00669        BMP_Headers *Bmpinfo = (BMP_Headers*)(temp+14);
00670        return Bmpinfo->Height;
00671 } // end of Draw
00673 
00674 
00675 extern inline void PA_8bit8x8Image(bool screen, u16 basex, u16 basey, u8* data){
00676 s16 x, y;
00677 
00678 for (x = 0; x < 8; x++)
00679        for (y = 0; y < 8; y++)
00680               PA_Put8bitPixel(screen, x + basex, y + basey, data[x + (y << 3)]);
00681 }
00682 
00683 /*
00684 extern inline void PA_DrawImage(bool screen, s16 x, s16 y, s16 lx, s16 ly, u8* data){
00685 s16 i, j;
00686 u16* data2 = (u16*)data;
00687 
00688 if (x&1){ // Premier pixel à mettre tout seul peut-etre
00689        for (j = 0; j < ly; j++) PA_Put8bitPixel(screen, x, j + y, data[0]);
00690        x++;
00691        data2 = (u16*)(data + 1);
00692 }
00693 
00694 i = 0;
00695 // Tant qu'il reste au moins 2 pixels à mettre, on fait 2 par 2
00696 while(i < (lx-2)){
00697        for (j = 0; j < ly; j++) {
00698               PA_PutDouble8bitPixels(screen, i + x, j + y, data2[(i >> 1) + (j*lx)]);
00699        }
00700        i+=2;
00701 }
00702 
00703 if (!((i + x)&1)){ // Dernier pixel à mettre tout seul peut-etre
00704        for (j = 0; j < ly; j++) PA_Put8bitPixel(screen, i + x, j + y, data2[(i >> 1) + (j*lx)]&255);
00705 }
00706 
00707 }
00708 */
00709 
00710 
00711 
00712 
00713 
00714 
00715 
00716 
00717 
00718 #ifdef __cplusplus
00719 }
00720 #endif
00721 
00722 
00723 
00724 
00725 
00726 
00727 
00728 
00729 #endif
00730 
00731 

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