len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-09 13:12:37 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Split 8-bit-to-native conversion in bmp.c into a function, add support for plugging unscaled output in BMP and JPEG loaders, use output_row_8_native in JPEG decoder when possible.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20884 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andrew Mahone 2009-05-09 07:31:27 +00:00
parent 67695617a1
commit 91efc16256
9 changed files with 242 additions and 128 deletions
Download patch file Download diff file Expand all files Collapse all files

35
apps/plugins/pictureflow/pictureflow.c
View file

@ -607,7 +607,29 @@ static inline uint32_t div255(uint32_t val)
#define SCALE_VAL(val,out) div255((val) * (out) + 127)
static void output_row_transposed(uint32_t row, void * row_in,
static void output_row_8_transposed(uint32_t row, void * row_in,
struct scaler_context *ctx)
{
pix_t *dest = (pix_t*)ctx->bm->data + row;
pix_t *end = dest + ctx->bm->height * ctx->bm->width;
#ifdef USEGSLIB
uint8_t *qp = (uint8_t*)row_in;
for (; dest < end; dest += ctx->bm->height)
*dest = *qp++;
#else
struct uint8_rgb *qp = (struct uint8_rgb*)row_in;
unsigned r, g, b;
for (; dest < end; dest += ctx->bm->height)
{
r = qp->red;
g = qp->green;
b = (qp++)->blue;
*dest = LCD_RGBPACK_LCD(r,g,b);
}
#endif
}
static void output_row_32_transposed(uint32_t row, void * row_in,
struct scaler_context *ctx)
{
pix_t *dest = (pix_t*)ctx->bm->data + row;
@ -635,7 +657,7 @@ static void output_row_transposed(uint32_t row, void * row_in,
}
#ifdef HAVE_LCD_COLOR
static void output_row_transposed_fromyuv(uint32_t row, void * row_in,
static void output_row_32_transposed_fromyuv(uint32_t row, void * row_in,
struct scaler_context *ctx)
{
pix_t *dest = (pix_t*)ctx->bm->data + row;
@ -663,13 +685,14 @@ static unsigned int get_size(struct bitmap *bm)
}
const struct custom_format format_transposed = {
.output_row_8 = output_row_8_transposed,
#ifdef HAVE_LCD_COLOR
.output_row = {
output_row_transposed,
output_row_transposed_fromyuv
.output_row_32 = {
output_row_32_transposed,
output_row_32_transposed_fromyuv
},
#else
.output_row = output_row_transposed,
.output_row_32 = output_row_32_transposed,
#endif
.get_size = get_size
};