diff options
Diffstat (limited to 'src/text.c')
| -rw-r--r-- | src/text.c | 148 |
1 files changed, 75 insertions, 73 deletions
@@ -151,7 +151,7 @@ extern void LoadDefaultFont(void) //---------------------------------------------------------------------- int imWidth = 128; int imHeight = 128; - + Color *imagePixels = (Color *)malloc(imWidth*imHeight*sizeof(Color)); for (int i = 0; i < imWidth*imHeight; i++) imagePixels[i] = BLANK; // Initialize array @@ -174,7 +174,7 @@ extern void LoadDefaultFont(void) //FILE *myimage = fopen("default_font.raw", "wb"); //fwrite(image.pixels, 1, 128*128*4, myimage); //fclose(myimage); - + Image image = LoadImageEx(imagePixels, imWidth, imHeight); ImageFormat(&image, UNCOMPRESSED_GRAY_ALPHA); @@ -185,13 +185,13 @@ extern void LoadDefaultFont(void) // Reconstruct charSet using charsWidth[], charsHeight, charsDivisor, numChars //------------------------------------------------------------------------------ - defaultFont.charValues = (int *)malloc(defaultFont.numChars*sizeof(int)); + defaultFont.charValues = (int *)malloc(defaultFont.numChars*sizeof(int)); defaultFont.charRecs = (Rectangle *)malloc(defaultFont.numChars*sizeof(Rectangle)); // Allocate space for our character rectangle data // This memory should be freed at end! --> Done on CloseWindow() - + defaultFont.charOffsets = (Vector2 *)malloc(defaultFont.numChars*sizeof(Vector2)); defaultFont.charAdvanceX = (int *)malloc(defaultFont.numChars*sizeof(int)); - + int currentLine = 0; int currentPosX = charsDivisor; int testPosX = charsDivisor; @@ -199,7 +199,7 @@ extern void LoadDefaultFont(void) for (int i = 0; i < defaultFont.numChars; i++) { defaultFont.charValues[i] = FONT_FIRST_CHAR + i; // First char is 32 - + defaultFont.charRecs[i].x = currentPosX; defaultFont.charRecs[i].y = charsDivisor + currentLine * (charsHeight + charsDivisor); defaultFont.charRecs[i].width = charsWidth[i]; @@ -217,12 +217,12 @@ extern void LoadDefaultFont(void) defaultFont.charRecs[i].y = charsDivisor + currentLine*(charsHeight + charsDivisor); } else currentPosX = testPosX; - + // NOTE: On default font character offsets and xAdvance are not required defaultFont.charOffsets[i] = (Vector2){ 0.0f, 0.0f }; defaultFont.charAdvanceX[i] = 0; } - + defaultFont.size = defaultFont.charRecs[0].height; TraceLog(INFO, "[TEX ID %i] Default font loaded successfully", defaultFont.texture.id); @@ -262,7 +262,7 @@ SpriteFont LoadSpriteFont(const char *fileName) if (image.data != NULL) spriteFont = LoadImageFont(image, MAGENTA, FONT_FIRST_CHAR); UnloadImage(image); } - + if (spriteFont.texture.id == 0) { TraceLog(WARNING, "[%s] SpriteFont could not be loaded, using default font", fileName); @@ -316,15 +316,15 @@ void DrawTextEx(SpriteFont spriteFont, const char *text, Vector2 position, float scaleFactor = fontSize/spriteFont.size; - // NOTE: Some ugly hacks are made to support Latin-1 Extended characters directly + // NOTE: Some ugly hacks are made to support Latin-1 Extended characters directly // written in C code files (codified by default as UTF-8) - + for(int i = 0; i < length; i++) { // TODO: Right now we are supposing characters that follow a continous order and start at FONT_FIRST_CHAR, // this sytem can be improved to support any characters order and init value... // An intermediate table could be created to link char values with predefined char position index in chars rectangle array - + if ((unsigned char)text[i] == 0xc2) // UTF-8 encoding identification HACK! { // Support UTF-8 encoded values from [0xc2 0x80] -> [0xc2 0xbf](¿) @@ -353,8 +353,8 @@ void DrawTextEx(SpriteFont spriteFont, const char *text, Vector2 position, float if (rec.x > 0) { - DrawTexturePro(spriteFont.texture, rec, (Rectangle){ position.x + textOffsetX + spriteFont.charOffsets[(int)text[i] - FONT_FIRST_CHAR].x*scaleFactor, - position.y + textOffsetY + spriteFont.charOffsets[(int)text[i] - FONT_FIRST_CHAR].y*scaleFactor, + DrawTexturePro(spriteFont.texture, rec, (Rectangle){ position.x + textOffsetX + spriteFont.charOffsets[(int)text[i] - FONT_FIRST_CHAR].x*scaleFactor, + position.y + textOffsetY + spriteFont.charOffsets[(int)text[i] - FONT_FIRST_CHAR].y*scaleFactor, rec.width*scaleFactor, rec.height*scaleFactor} , (Vector2){ 0, 0 }, 0.0f, tint); if (spriteFont.charAdvanceX[(int)text[i] - FONT_FIRST_CHAR] == 0) textOffsetX += (rec.width*scaleFactor + spacing); @@ -381,15 +381,15 @@ const char *SubText(const char *text, int position, int length) { static char buffer[MAX_SUBTEXT_LENGTH]; int textLength = strlen(text); - + if (position >= textLength) { position = textLength - 1; length = 0; } - + if (length >= textLength) length = textLength; - + for (int c = 0 ; c < length ; c++) { *(buffer+c) = *(text+position); @@ -421,17 +421,17 @@ Vector2 MeasureTextEx(SpriteFont spriteFont, const char *text, int fontSize, int int len = strlen(text); int tempLen = 0; // Used to count longer text line num chars int lenCounter = 0; - + int textWidth = 0; int tempTextWidth = 0; // Used to count longer text line width - + int textHeight = spriteFont.size; float scaleFactor; for (int i = 0; i < len; i++) { lenCounter++; - + if (text[i] != '\n') { if (spriteFont.charAdvanceX[(int)text[i] - FONT_FIRST_CHAR] != 0) textWidth += spriteFont.charAdvanceX[(int)text[i] - FONT_FIRST_CHAR]; @@ -444,10 +444,10 @@ Vector2 MeasureTextEx(SpriteFont spriteFont, const char *text, int fontSize, int textWidth = 0; textHeight += (spriteFont.size + spriteFont.size/2); // NOTE: Fixed line spacing of 1.5 lines } - + if (tempLen < lenCounter) tempLen = lenCounter; } - + if (tempTextWidth < textWidth) tempTextWidth = textWidth; if (fontSize <= spriteFont.size) scaleFactor = 1.0f; @@ -496,21 +496,21 @@ void DrawFPS(int posX, int posY) static SpriteFont LoadImageFont(Image image, Color key, int firstChar) { #define COLOR_EQUAL(col1, col2) ((col1.r == col2.r)&&(col1.g == col2.g)&&(col1.b == col2.b)&&(col1.a == col2.a)) - + int charSpacing = 0; int lineSpacing = 0; int x = 0; int y = 0; - + // Default number of characters expected supported #define MAX_FONTCHARS 128 - // We allocate a temporal arrays for chars data measures, + // We allocate a temporal arrays for chars data measures, // once we get the actual number of chars, we copy data to a sized arrays int tempCharValues[MAX_FONTCHARS]; Rectangle tempCharRecs[MAX_FONTCHARS]; - + Color *pixels = GetImageData(image); // Parse image data to get charSpacing and lineSpacing @@ -545,7 +545,7 @@ static SpriteFont LoadImageFont(Image image, Color key, int firstChar) !COLOR_EQUAL((pixels[(lineSpacing + (charHeight+lineSpacing)*lineToRead)*image.width + xPosToRead]), key)) { tempCharValues[index] = firstChar + index; - + tempCharRecs[index].x = xPosToRead; tempCharRecs[index].y = lineSpacing + lineToRead * (charHeight + lineSpacing); tempCharRecs[index].height = charHeight; @@ -564,14 +564,14 @@ static SpriteFont LoadImageFont(Image image, Color key, int firstChar) lineToRead++; xPosToRead = charSpacing; } - + free(pixels); - + TraceLog(DEBUG, "SpriteFont data parsed correctly from image"); - + // Create spritefont with all data parsed from image SpriteFont spriteFont = { 0 }; - + spriteFont.texture = LoadTextureFromImage(image); // Convert loaded image to OpenGL texture spriteFont.numChars = index; @@ -586,13 +586,15 @@ static SpriteFont LoadImageFont(Image image, Color key, int firstChar) { spriteFont.charValues[i] = tempCharValues[i]; spriteFont.charRecs[i] = tempCharRecs[i]; - + // NOTE: On image based fonts (XNA style), character offsets and xAdvance are not required (set to 0) spriteFont.charOffsets[i] = (Vector2){ 0.0f, 0.0f }; spriteFont.charAdvanceX[i] = 0; } - + spriteFont.size = spriteFont.charRecs[0].height; + + TraceLog(INFO, "Image file loaded correctly as SpriteFont"); return spriteFont; } @@ -631,7 +633,7 @@ static SpriteFont LoadRBMF(const char *fileName) if (rbmfFile == NULL) { TraceLog(WARNING, "[%s] rBMF font file could not be opened, using default font", fileName); - + spriteFont = GetDefaultFont(); } else @@ -670,10 +672,10 @@ static SpriteFont LoadRBMF(const char *fileName) counter++; } - + Image image = LoadImageEx(imagePixels, rbmfHeader.imgWidth, rbmfHeader.imgHeight); ImageFormat(&image, UNCOMPRESSED_GRAY_ALPHA); - + free(imagePixels); TraceLog(DEBUG, "[%s] Image reconstructed correctly, now converting it to texture", fileName); @@ -685,7 +687,7 @@ static SpriteFont LoadRBMF(const char *fileName) //TraceLog(INFO, "[%s] Starting chars set reconstruction", fileName); // Get characters data using rbmfCharWidthData, rbmfHeader.charHeight, charsDivisor, rbmfHeader.numChars - spriteFont.charValues = (int *)malloc(spriteFont.numChars*sizeof(int)); + spriteFont.charValues = (int *)malloc(spriteFont.numChars*sizeof(int)); spriteFont.charRecs = (Rectangle *)malloc(spriteFont.numChars*sizeof(Rectangle)); spriteFont.charOffsets = (Vector2 *)malloc(spriteFont.numChars*sizeof(Vector2)); spriteFont.charAdvanceX = (int *)malloc(spriteFont.numChars*sizeof(int)); @@ -697,12 +699,12 @@ static SpriteFont LoadRBMF(const char *fileName) for (int i = 0; i < spriteFont.numChars; i++) { spriteFont.charValues[i] = (int)rbmfHeader.firstChar + i; - + spriteFont.charRecs[i].x = currentPosX; spriteFont.charRecs[i].y = charsDivisor + currentLine * ((int)rbmfHeader.charHeight + charsDivisor); spriteFont.charRecs[i].width = (int)rbmfCharWidthData[i]; spriteFont.charRecs[i].height = (int)rbmfHeader.charHeight; - + // NOTE: On image based fonts (XNA style), character offsets and xAdvance are not required (set to 0) spriteFont.charOffsets[i] = (Vector2){ 0.0f, 0.0f }; spriteFont.charAdvanceX[i] = 0; @@ -720,7 +722,7 @@ static SpriteFont LoadRBMF(const char *fileName) } else currentPosX = testPosX; } - + spriteFont.size = spriteFont.charRecs[0].height; TraceLog(INFO, "[%s] rBMF file loaded correctly as SpriteFont", fileName); @@ -738,20 +740,20 @@ static SpriteFont LoadRBMF(const char *fileName) static SpriteFont LoadBMFont(const char *fileName) { #define MAX_BUFFER_SIZE 256 - + SpriteFont font = { 0 }; font.texture.id = 0; - + char buffer[MAX_BUFFER_SIZE]; char *searchPoint = NULL; - + int fontSize = 0; int texWidth, texHeight; char texFileName[128]; int numChars = 0; int base; // Useless data - + FILE *fntFile; fntFile = fopen(fileName, "rt"); @@ -766,42 +768,42 @@ static SpriteFont LoadBMFont(const char *fileName) fgets(buffer, MAX_BUFFER_SIZE, fntFile); //searchPoint = strstr(buffer, "size"); //sscanf(searchPoint, "size=%i", &fontSize); - + fgets(buffer, MAX_BUFFER_SIZE, fntFile); searchPoint = strstr(buffer, "lineHeight"); sscanf(searchPoint, "lineHeight=%i base=%i scaleW=%i scaleH=%i", &fontSize, &base, &texWidth, &texHeight); - + TraceLog(DEBUG, "[%s] Font size: %i", fileName, fontSize); TraceLog(DEBUG, "[%s] Font texture scale: %ix%i", fileName, texWidth, texHeight); - + fgets(buffer, MAX_BUFFER_SIZE, fntFile); searchPoint = strstr(buffer, "file"); sscanf(searchPoint, "file=\"%128[^\"]\"", texFileName); - + TraceLog(DEBUG, "[%s] Font texture filename: %s", fileName, texFileName); - + fgets(buffer, MAX_BUFFER_SIZE, fntFile); searchPoint = strstr(buffer, "count"); sscanf(searchPoint, "count=%i", &numChars); - + TraceLog(DEBUG, "[%s] Font num chars: %i", fileName, numChars); - + // Compose correct path using route of .fnt file (fileName) and texFileName char *texPath = NULL; char *lastSlash = NULL; lastSlash = strrchr(fileName, '/'); - + // NOTE: We need some extra space to avoid memory corruption on next allocations! texPath = malloc(strlen(fileName) - strlen(lastSlash) + strlen(texFileName) + 4); - + // NOTE: strcat() and strncat() required a '\0' terminated string to work! *texPath = '\0'; strncat(texPath, fileName, strlen(fileName) - strlen(lastSlash) + 1); strncat(texPath, texFileName, strlen(texFileName)); TraceLog(DEBUG, "[%s] Font texture loading path: %s", fileName, texPath); - + font.texture = LoadTexture(texPath); font.size = fontSize; font.numChars = numChars; @@ -809,35 +811,35 @@ static SpriteFont LoadBMFont(const char *fileName) font.charRecs = (Rectangle *)malloc(numChars*sizeof(Rectangle)); font.charOffsets = (Vector2 *)malloc(numChars*sizeof(Vector2)); font.charAdvanceX = (int *)malloc(numChars*sizeof(int)); - + free(texPath); - + int charId, charX, charY, charWidth, charHeight, charOffsetX, charOffsetY, charAdvanceX; - + bool unorderedChars = false; int firstChar = 0; - + for (int i = 0; i < numChars; i++) { fgets(buffer, MAX_BUFFER_SIZE, fntFile); - sscanf(buffer, "char id=%i x=%i y=%i width=%i height=%i xoffset=%i yoffset=%i xadvance=%i", + sscanf(buffer, "char id=%i x=%i y=%i width=%i height=%i xoffset=%i yoffset=%i xadvance=%i", &charId, &charX, &charY, &charWidth, &charHeight, &charOffsetX, &charOffsetY, &charAdvanceX); - + if (i == 0) firstChar = charId; else if (i != (charId - firstChar)) unorderedChars = true; - + // Save data properly in sprite font font.charValues[i] = charId; font.charRecs[i] = (Rectangle){ charX, charY, charWidth, charHeight }; font.charOffsets[i] = (Vector2){ (float)charOffsetX, (float)charOffsetY }; font.charAdvanceX[i] = charAdvanceX; } - + fclose(fntFile); - + if (firstChar != FONT_FIRST_CHAR) TraceLog(WARNING, "BMFont not supported: expected SPACE(32) as first character, falling back to default font"); else if (unorderedChars) TraceLog(WARNING, "BMFont not supported: unordered chars data, falling back to default font"); - + // NOTE: Font data could be not ordered by charId: 32,33,34,35... raylib does not support unordered BMFonts if ((firstChar != FONT_FIRST_CHAR) || (unorderedChars) || (font.texture.id == 0)) { @@ -862,9 +864,9 @@ static SpriteFont LoadTTF(const char *fileName, int fontSize, int firstChar, int stbtt_bakedchar *charData = (stbtt_bakedchar *)malloc(sizeof(stbtt_bakedchar)*numChars); SpriteFont font = { 0 }; - + FILE *ttfFile = fopen(fileName, "rb"); - + if (ttfFile == NULL) { TraceLog(WARNING, "[%s] FNT file could not be opened", fileName); @@ -877,11 +879,11 @@ static SpriteFont LoadTTF(const char *fileName, int fontSize, int firstChar, int stbtt_BakeFontBitmap(ttfBuffer,0, fontSize, dataBitmap, FONT_TEXTURE_WIDTH, FONT_TEXTURE_HEIGHT, firstChar, numChars, charData); free(ttfBuffer); - + // Convert image data from grayscale to to UNCOMPRESSED_GRAY_ALPHA unsigned char *dataGrayAlpha = (unsigned char *)malloc(FONT_TEXTURE_WIDTH*FONT_TEXTURE_HEIGHT*sizeof(unsigned char)*2); // Two channels int k = 0; - + for (int i = 0; i < FONT_TEXTURE_WIDTH*FONT_TEXTURE_HEIGHT; i++) { dataGrayAlpha[k] = 255; @@ -889,9 +891,9 @@ static SpriteFont LoadTTF(const char *fileName, int fontSize, int firstChar, int k += 2; } - + free(dataBitmap); - + // Sprite font generation from TTF extracted data Image image; image.width = FONT_TEXTURE_WIDTH; @@ -909,7 +911,7 @@ static SpriteFont LoadTTF(const char *fileName, int fontSize, int firstChar, int font.charRecs = (Rectangle *)malloc(font.numChars*sizeof(Rectangle)); font.charOffsets = (Vector2 *)malloc(font.numChars*sizeof(Vector2)); font.charAdvanceX = (int *)malloc(font.numChars*sizeof(int)); - + for (int i = 0; i < font.numChars; i++) { font.charValues[i] = i + firstChar; @@ -918,11 +920,11 @@ static SpriteFont LoadTTF(const char *fileName, int fontSize, int firstChar, int font.charRecs[i].y = (int)charData[i].y0; font.charRecs[i].width = (int)charData[i].x1 - (int)charData[i].x0; font.charRecs[i].height = (int)charData[i].y1 - (int)charData[i].y0; - + font.charOffsets[i] = (Vector2){ charData[i].xoff, charData[i].yoff }; font.charAdvanceX[i] = (int)charData[i].xadvance; } - + free(charData); return font; |