// TODO this code is exactly the same as draw_alpha_slider() with a ui::Graphics
void draw_alpha_slider(she::Surface* s,
const gfx::Rect& rc,
const app::Color& color)
{
const int xmax = MAX(1, rc.w-1);
const doc::color_t c =
(color.getType() != app::Color::MaskType ?
doc::rgba(color.getRed(),
color.getGreen(),
color.getBlue(), 255): 0);
for (int x=0; x<rc.w; ++x) {
const int a = (255 * x / xmax);
const doc::color_t c1 = doc::rgba_blender_normal(gridColor1, c, a);
const doc::color_t c2 = doc::rgba_blender_normal(gridColor2, c, a);
const int mid = rc.h/2;
const int odd = (x / rc.h) & 1;
s->drawVLine(
app::color_utils::color_for_ui(app::Color::fromImage(IMAGE_RGB, odd ? c2: c1)),
rc.x+x, rc.y, mid);
s->drawVLine(
app::color_utils::color_for_ui(app::Color::fromImage(IMAGE_RGB, odd ? c1: c2)),
rc.x+x, rc.y+mid, rc.h-mid);
}
}
static void draw_color(ui::Graphics* g, const Rect& rc, const app::Color& color)
{
if (rc.w < 1 || rc.h < 1)
return;
app::Color::Type type = color.getType();
if (type == app::Color::MaskType) {
rectgrid(g, rc, gfx::Size(rc.w/4, rc.h/2));
return;
}
else if (type == app::Color::IndexType) {
int index = color.getIndex();
if (index >= 0 && index < get_current_palette()->size()) {
g->fillRect(color_utils::color_for_ui(color), rc);
}
else {
g->fillRect(gfx::rgba(0, 0, 0), rc);
g->drawLine(gfx::rgba(255, 255, 255),
gfx::Point(rc.x+rc.w-2, rc.y+1),
gfx::Point(rc.x+1, rc.y+rc.h-2));
}
return;
}
g->fillRect(color_utils::color_for_ui(color), rc);
}
void ColorPopup::setColor(const app::Color& color,
const SetColorOptions options)
{
m_color = color;
if (m_simpleColors) {
int r = color.getRed();
int g = color.getGreen();
int b = color.getBlue();
int a = color.getAlpha();
int i = g_simplePal->findExactMatch(r, g, b, a, -1);
if (i >= 0)
m_simpleColors->selectColor(i);
else
m_simpleColors->deselect();
}
if (color.getType() == app::Color::IndexType) {
if (m_colorPalette) {
m_colorPalette->deselect();
m_colorPalette->selectColor(color.getIndex());
}
}
m_sliders.setColor(m_color);
if (!m_disableHexUpdate)
m_hexColorEntry.setColor(m_color);
if (options == ChangeType)
selectColorType(m_color.getType());
// Set the new color
Shade shade = m_oldAndNew.getShade();
shade.resize(2);
shade[1] = (color.getType() == app::Color::IndexType ? color.toRgb(): color);
if (!m_insideChange)
shade[0] = shade[1];
m_oldAndNew.setShade(shade);
}
raster::color_t color_utils::color_for_layer(const app::Color& color, Layer* layer)
{
raster::color_t pixel_color;
if (color.getType() == app::Color::MaskType) {
pixel_color = layer->getSprite()->getTransparentColor();
}
else {
PixelFormat format = layer->getSprite()->getPixelFormat();
pixel_color = color_for_image(color, format);
}
return fixup_color_for_layer(layer, pixel_color);
}
raster::color_t color_utils::color_for_image(const app::Color& color, PixelFormat format)
{
if (color.getType() == app::Color::MaskType)
return 0;
raster::color_t c = -1;
switch (format) {
case IMAGE_RGB:
c = rgba(color.getRed(), color.getGreen(), color.getBlue(), 255);
break;
case IMAGE_GRAYSCALE:
c = graya(color.getGray(), 255);
break;
case IMAGE_INDEXED:
if (color.getType() == app::Color::IndexType)
c = color.getIndex();
else
c = get_current_palette()->findBestfit(color.getRed(), color.getGreen(), color.getBlue());
break;
}
return c;
}
int color_utils::color_for_allegro(const app::Color& color, int depth)
{
int c = -1;
switch (color.getType()) {
case app::Color::MaskType:
c = get_mask_for_bitmap(depth);
break;
case app::Color::RgbType:
case app::Color::HsvType:
c = makeacol_depth(depth,
color.getRed(),
color.getGreen(),
color.getBlue(), 255);
break;
case app::Color::GrayType:
c = color.getGray();
if (depth != 8)
c = makeacol_depth(depth, c, c, c, 255);
break;
case app::Color::IndexType:
c = color.getIndex();
if (depth != 8) {
ASSERT(c >= 0 && c < (int)get_current_palette()->size());
uint32_t _c = get_current_palette()->getEntry(c);
c = makeacol_depth(depth,
rgba_getr(_c),
rgba_getg(_c),
rgba_getb(_c), 255);
}
break;
}
return c;
}
ui::Color color_utils::color_for_ui(const app::Color& color)
{
ui::Color c = ui::ColorNone;
switch (color.getType()) {
case app::Color::MaskType:
c = ui::ColorNone;
break;
case app::Color::RgbType:
case app::Color::HsvType:
c = ui::rgba(color.getRed(),
color.getGreen(),
color.getBlue(), 255);
break;
case app::Color::GrayType:
c = ui::rgba(color.getGray(),
color.getGray(),
color.getGray(), 255);
break;
case app::Color::IndexType: {
int i = color.getIndex();
ASSERT(i >= 0 && i < (int)get_current_palette()->size());
uint32_t _c = get_current_palette()->getEntry(i);
c = ui::rgba(rgba_getr(_c),
rgba_getg(_c),
rgba_getb(_c), 255);
break;
}
}
return c;
}
void ColorBar::onColorButtonChange(const app::Color& color)
{
if (color.getType() == app::Color::IndexType)
m_paletteView.selectColor(color.getIndex());
}
void EyedropperCommand::pickSample(const doc::Site& site,
const gfx::Point& pixelPos,
app::Color& color)
{
// Check if we've to grab alpha channel or the merged color.
Preferences& pref = Preferences::instance();
bool allLayers =
(pref.eyedropper.sample() == app::gen::EyedropperSample::ALL_LAYERS);
ColorPicker picker;
picker.pickColor(site,
pixelPos,
(allLayers ?
ColorPicker::FromComposition:
ColorPicker::FromActiveLayer));
app::gen::EyedropperChannel channel =
pref.eyedropper.channel();
app::Color picked = picker.color();
switch (channel) {
case app::gen::EyedropperChannel::COLOR_ALPHA:
color = picked;
break;
case app::gen::EyedropperChannel::COLOR:
if (picked.getAlpha() > 0)
color = app::Color::fromRgb(picked.getRed(),
picked.getGreen(),
picked.getBlue(),
color.getAlpha());
break;
case app::gen::EyedropperChannel::ALPHA:
switch (color.getType()) {
case app::Color::RgbType:
case app::Color::IndexType:
color = app::Color::fromRgb(color.getRed(),
color.getGreen(),
color.getBlue(),
picked.getAlpha());
break;
case app::Color::HsvType:
color = app::Color::fromHsv(color.getHue(),
color.getSaturation(),
color.getValue(),
picked.getAlpha());
break;
case app::Color::GrayType:
color = app::Color::fromGray(color.getGray(),
picked.getAlpha());
break;
}
break;
case app::gen::EyedropperChannel::RGBA:
if (picked.getType() == app::Color::RgbType)
color = picked;
else
color = app::Color::fromRgb(picked.getRed(),
picked.getGreen(),
picked.getBlue(),
picked.getAlpha());
break;
case app::gen::EyedropperChannel::RGB:
if (picked.getAlpha() > 0)
color = app::Color::fromRgb(picked.getRed(),
picked.getGreen(),
picked.getBlue(),
color.getAlpha());
break;
case app::gen::EyedropperChannel::HSVA:
if (picked.getType() == app::Color::HsvType)
color = picked;
else
color = app::Color::fromHsv(picked.getHue(),
picked.getSaturation(),
picked.getValue(),
picked.getAlpha());
break;
case app::gen::EyedropperChannel::HSV:
if (picked.getAlpha() > 0)
color = app::Color::fromHsv(picked.getHue(),
picked.getSaturation(),
picked.getValue(),
color.getAlpha());
break;
case app::gen::EyedropperChannel::GRAYA:
if (picked.getType() == app::Color::GrayType)
color = picked;
else
color = app::Color::fromGray(picked.getGray(),
picked.getAlpha());
break;
case app::gen::EyedropperChannel::GRAY:
if (picked.getAlpha() > 0)
color = app::Color::fromGray(picked.getGray(),
color.getAlpha());
break;
case app::gen::EyedropperChannel::INDEX:
color = app::Color::fromIndex(picked.getIndex());
break;
}
}
static void update_cursor_color()
{
ui_cursor_color = color_utils::color_for_ui(cursor_color);
is_cursor_mask = (cursor_color.getType() == app::Color::MaskType);
}
