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Add Palette::MaxColors constant.

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This commit is contained in:
David Capello 2012-03-21 19:22:11 -03:00
parent b2288cc7fb
commit 6249d617d8
2 changed files with 14 additions and 12 deletions
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24
src/raster/palette.cpp
View File

@ -34,7 +34,7 @@ using namespace gfx;
Palette::Palette(int frame, int ncolors)
: GfxObj(GFXOBJ_PALETTE)
{
ASSERT(ncolors >= 1 && ncolors <= 256);
ASSERT(ncolors >= 1 && ncolors <= MaxColors);
m_frame = frame;
m_colors.resize(ncolors);
@ -57,15 +57,15 @@ Palette::~Palette()
Palette* Palette::createGrayscale()
{
Palette* graypal = new Palette(0, 256);
for (int c=0; c<256; c++)
Palette* graypal = new Palette(0, MaxColors);
for (int c=0; c<MaxColors; c++)
graypal->setEntry(c, _rgba(c, c, c, 255));
return graypal;
}
void Palette::resize(int ncolors)
{
ASSERT(ncolors >= 1 && ncolors <= 256);
ASSERT(ncolors >= 1 && ncolors <= MaxColors);
int old_size = m_colors.size();
m_colors.resize(ncolors);
@ -186,7 +186,7 @@ void Palette::makeVertRamp(int from, int to, int columns)
ASSERT(from >= 0 && from <= 255);
ASSERT(to >= 0 && to <= 255);
ASSERT(columns >= 1 && columns <= 256);
ASSERT(columns >= 1 && columns <= MaxColors);
/* both indices have to be in the same column */
ASSERT((from % columns) == (to % columns));
@ -224,7 +224,7 @@ void Palette::makeRectRamp(int from, int to, int columns)
ASSERT(from >= 0 && from <= 255);
ASSERT(to >= 0 && to <= 255);
ASSERT(columns >= 1 && columns <= 256);
ASSERT(columns >= 1 && columns <= MaxColors);
if (from > to)
std::swap(from, to);
@ -379,8 +379,8 @@ void Palette::sort(int from, int to, SortPalette* sort_palette, std::vector<int>
std::sort(temp.begin(), temp.end(), PalEntryWithIndexPredicate(sort_palette));
// Default mapping table (no-mapping)
mapping.resize(256);
for (int i=0; i<256; ++i)
mapping.resize(MaxColors);
for (int i=0; i<MaxColors; ++i)
mapping[i] = i;
for (int i=0; i<(int)temp.size(); ++i) {
@ -406,7 +406,7 @@ void Palette::toAllegro(RGB *rgb) const
rgb[i].g = _rgba_getg(m_colors[i]) / 4;
rgb[i].b = _rgba_getb(m_colors[i]) / 4;
}
for (; i<256; ++i) {
for (; i<MaxColors; ++i) {
rgb[i].r = 0;
rgb[i].g = 0;
rgb[i].b = 0;
@ -416,8 +416,8 @@ void Palette::toAllegro(RGB *rgb) const
void Palette::fromAllegro(const RGB* rgb)
{
int i;
m_colors.resize(256);
for (i=0; i<256; ++i) {
m_colors.resize(MaxColors);
for (i=0; i<MaxColors; ++i) {
m_colors[i] = _rgba(_rgb_scale_6[rgb[i].r],
_rgb_scale_6[rgb[i].g],
_rgb_scale_6[rgb[i].b], 255);
@ -444,7 +444,7 @@ Palette* Palette::load(const char *filename)
if (bmp) {
destroy_bitmap(bmp);
pal = new Palette(0, 256);
pal = new Palette(0, MaxColors);
pal->fromAllegro(rgbpal);
}
}

2
src/raster/palette.h
View File

@ -53,6 +53,8 @@ private:
class Palette : public GfxObj
{
public:
enum { MaxColors = 256 };
Palette(int frame, int ncolors);
Palette(const Palette& palette);
~Palette();