/* ********************************************************************************************************* * uC/GUI V4.10 * Universal graphic software for embedded applications * * (c) Copyright 2002, Micrium Inc., Weston, FL * (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH * * µC/GUI is protected by international copyright laws. Knowledge of the * source code may not be used to write a similar product. This file may * only be used in accordance with a license and should not be redistributed * in any way. We appreciate your understanding and fairness. * ---------------------------------------------------------------------- File : 2DGL_DrawGIF.c Purpose : Shows how to render GIF images ---------------------------------------------------------------------- */ #include "GUI.h" /******************************************************************* * * Static data * ******************************************************************** */ static unsigned const char _acImage0[] = { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x30, 0x00, 0x30, 0x00, 0xF3, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFB, 0xF3, 0x05, 0xFF, 0x64, 0x03, 0xDD, 0x09, 0x07, 0xF2, 0x08, 0x84, 0x47, 0x00, 0xA5, 0x00, 0x00, 0xD3, 0x02, 0xAB, 0xEA, 0x1F, 0xB7, 0x14, 0x00, 0x64, 0x12, 0x56, 0x2C, 0x05, 0x90, 0x71, 0x3A, 0xBF, 0xBF, 0xBF, 0x80, 0x80, 0x80, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00, 0x21, 0xFF, 0x0B, 0x4E, 0x45, 0x54, 0x53, 0x43, 0x41, 0x50, 0x45, 0x32, 0x2E, 0x30, 0x03, 0x01, 0x00, 0x00, 0x00, 0x21, 0xFE, 0x30, 0x54, 0x68, 0x69, 0x73, 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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0E, 0x01, 0x00, 0x02, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x3B, 0x00 }; /******************************************************************* * * Static functions * ******************************************************************** */ /******************************************************************* * * _ShowMovie * * Shows the contents of a GIF file as movie */ static void _ShowMovie(const char * pFile, int FileSize) { int i, j, XPos, YPos; GUI_GIF_INFO GifInfo = {0}; /* Info structure of GIF file */ GUI_GIF_IMAGE_INFO ImageInfo = {0}; /* Info structure of one particular GIF image of the GIF file */ /* Display sample information */ GUI_SetFont(&GUI_Font8x16); GUI_ClearRect(0, 40, 319, 59); GUI_DispStringHCenterAt("Show complete GIF file as movie", 160, 40); /* Show movie */ GUI_ClearRect(0, 60, 319, 239); /* Clear the image area */ GUI_GIF_GetInfo(pFile, FileSize, &GifInfo); /* Get GIF info structure */ XPos = (GifInfo.xSize > 320) ? 0 : 160 - (GifInfo.xSize / 2); YPos = (GifInfo.ySize > 180) ? 60 : 150 - (GifInfo.ySize / 2); for (i = 0; i < 2; i++) { /* Show the complete GIF 2 times ... */ for (j = 0; j < GifInfo.NumImages; j++) { GUI_GIF_DrawSub(pFile, FileSize, XPos, YPos, j); /* Draw sub image */ GUI_GIF_GetImageInfo(pFile, FileSize, &ImageInfo, j); /* Get sub image information */ GUI_Delay(ImageInfo.Delay ? ImageInfo.Delay * 10 : 100); /* Use the Delay member of the ImageInfo structure for waiting a while */ } GUI_Delay(2000); /* Wait a while */ } } /******************************************************************* * * _ShowSubImages * * Shows all sub images of a GIF file side by side */ static void _ShowSubImages(const char * pFile, int FileSize) { int j, XPos, YPos; GUI_GIF_INFO GifInfo = {0}; /* Info structure of GIF file */ GUI_GIF_IMAGE_INFO ImageInfo = {0}; /* Info structure of one particular GIF image of the GIF file */ /* Display sample information */ GUI_SetFont(&GUI_Font8x16); GUI_ClearRect(0, 40, 319, 59); GUI_DispStringHCenterAt("Show all sub images of a GIF file", 160, 40); /* Show sub images */ GUI_ClearRect(0, 60, 319, 239); /* Clear the image area */ GUI_GIF_GetInfo(pFile, FileSize, &GifInfo); /* Get GIF info structure */ XPos = 160 - GifInfo.xSize * GifInfo.NumImages / 2; YPos = (GifInfo.ySize > 180) ? 60 : 150 - (GifInfo.ySize / 2); for (j = 0; j < GifInfo.NumImages; j++) { char acNumber[3] = "#"; acNumber[1] = '0' + j; GUI_DispStringHCenterAt(acNumber, XPos + GifInfo.xSize / 2, 90); GUI_GIF_DrawSub(pFile, FileSize, XPos, YPos, j); /* Draw sub image */ XPos += GifInfo.xSize; } GUI_Delay(4000); /* Wait a while */ } /******************************************************************* * * _ShowComments * * Shows all comments of a GIF file */ static void _ShowComments(const char * pFile, int FileSize) { int Size, CommentCnt; U8 acBuffer[256] = {0}; GUI_RECT Rect = {80, 100, 239, 199}; GUI_GIF_INFO GifInfo = {0}; /* Info structure of GIF file */ GUI_GIF_IMAGE_INFO ImageInfo = {0}; /* Info structure of one particular GIF image of the GIF file */ /* Display sample information */ GUI_SetFont(&GUI_Font8x16); GUI_ClearRect(0, 40, 319, 59); GUI_DispStringHCenterAt("Show all comments of a GIF file", 160, 40); /* Show all comments */ GUI_ClearRect(0, 60, 319, 239); /* Clear the image area */ Size = CommentCnt = 0; while (!GUI_GIF_GetComment(pFile, FileSize, acBuffer, sizeof(acBuffer), CommentCnt)) { char acNumber[12] = "Comment #0:"; acNumber[9] = '0' + CommentCnt; GUI_DispStringHCenterAt(acNumber, 160, 80); GUI_SetBkColor(GUI_BLACK); GUI_SetColor(GUI_WHITE); GUI_ClearRectEx(&Rect); GUI_DispStringInRectWrap(acBuffer, &Rect, GUI_TA_HCENTER | GUI_TA_VCENTER, GUI_WRAPMODE_WORD); GUI_SetBkColor(GUI_WHITE); GUI_SetColor(GUI_BLACK); GUI_Delay(4000); /* Wait a while */ CommentCnt++; } } /******************************************************************* * * Public code * ******************************************************************** */ /******************************************************************* * * MainTask */ void MainTask(void) { GUI_Init(); GUI_SetBkColor(GUI_WHITE); GUI_Clear(); GUI_SetColor(GUI_BLACK); GUI_SetFont(&GUI_Font24_ASCII); GUI_DispStringHCenterAt("DrawGIF - Sample", 160, 5); while (1) { _ShowMovie (_acImage0, sizeof(_acImage0)); _ShowSubImages(_acImage0, sizeof(_acImage0)); _ShowComments (_acImage0, sizeof(_acImage0)); } } /*************************** End of file ****************************/