diff options
Diffstat (limited to 'src/gdisp/gdisp_image_gif.c')
| -rw-r--r-- | src/gdisp/gdisp_image_gif.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/src/gdisp/gdisp_image_gif.c b/src/gdisp/gdisp_image_gif.c index 5b29ec06..91a47b6c 100644 --- a/src/gdisp/gdisp_image_gif.c +++ b/src/gdisp/gdisp_image_gif.c @@ -11,12 +11,6 @@ #include "gdisp_image_support.h" -/** - * How big an array to allocate for blitting (in pixels) - * Bigger is faster but uses more RAM. - */ -#define BLIT_BUFFER_SIZE_GIF 32 - // We need a special error to indicate the end of file (which may not actually be an error) #define GDISP_IMAGE_GIF_EOF ((gdispImageError)-1) #define GDISP_IMAGE_GIF_LOOP ((gdispImageError)-2) @@ -50,7 +44,7 @@ typedef struct gifimgdecode { uint16_t code_last; uint32_t shiftdata; color_t * palette; - uint8_t buf[BLIT_BUFFER_SIZE_GIF]; // Buffer for decoded pixels + uint8_t buf[GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE]; // Buffer for decoded pixels uint16_t prefix[1<<GIF_MAX_CODE_BITS]; // The LZW table uint8_t suffix[1<<GIF_MAX_CODE_BITS]; // So we can trace the codes uint8_t stack[1<<GIF_MAX_CODE_BITS]; // Decoded pixels might be stacked here @@ -104,7 +98,7 @@ typedef struct gdispImagePrivate_GIF { gifimgdecode * decode; // The decode data for the decode in progress gifimgframe frame; gifimgdispose dispose; - pixel_t buf[BLIT_BUFFER_SIZE_GIF]; // Buffer for reading and blitting + pixel_t buf[GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE]; // Buffer for reading and blitting } gdispImagePrivate_GIF; /** @@ -203,7 +197,7 @@ static uint16_t getPrefixGif(gifimgdecode *decode, uint16_t code) { * * Pre: We are ready for decoding. * - * Return: The number of pixels decoded 0 .. BLIT_BUFFER_SIZE_GIF-1. 0 means EOF + * Return: The number of pixels decoded 0 .. GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE-1. 0 means EOF * * Note: The resulting pixels are stored in decode->buf */ @@ -839,7 +833,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = cache->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; @@ -893,7 +887,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = decode->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; @@ -939,7 +933,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = decode->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; @@ -985,7 +979,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = decode->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; @@ -1031,7 +1025,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = decode->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; @@ -1078,7 +1072,7 @@ gdispImageError gdispGImageDraw_GIF(GDisplay *g, gdispImage *img, coord_t x, coo continue; } priv->buf[gcnt++] = decode->palette[col]; - if (gcnt >= BLIT_BUFFER_SIZE_GIF) { + if (gcnt >= GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE) { // We have run out of buffer - dump it to the display gdispGBlitArea(g, x+mx-sx-gcnt+1, y+my-sy, gcnt, 1, 0, 0, gcnt, priv->buf); gcnt = 0; |