498 lines
15 KiB
C++
498 lines
15 KiB
C++
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
|
|
|
|
#include "config.h"
|
|
|
|
#include "rendercontrol.hh"
|
|
#include "truerendercontrol.hh"
|
|
#include "pseudorendercontrol.hh"
|
|
#include "rendertexture.hh"
|
|
#include "rendercolor.hh"
|
|
#include "renderstyle.hh"
|
|
#include "display.hh"
|
|
#include "screeninfo.hh"
|
|
#include "surface.hh"
|
|
#include "font.hh"
|
|
#include "ustring.hh"
|
|
|
|
extern "C" {
|
|
#ifdef HAVE_STDLIB_H
|
|
# include <stdlib.h>
|
|
#endif // HAVE_STDLIB_H
|
|
|
|
#include "../src/gettext.h"
|
|
#define _(str) gettext(str)
|
|
}
|
|
|
|
namespace otk {
|
|
|
|
RenderControl *RenderControl::getRenderControl(int screen)
|
|
{
|
|
// get the visual on the screen and return the correct type of RenderControl
|
|
int vclass = display->screenInfo(screen)->visual()->c_class;
|
|
switch (vclass) {
|
|
case TrueColor:
|
|
return new TrueRenderControl(screen);
|
|
case PseudoColor:
|
|
case StaticColor:
|
|
return new PseudoRenderControl(screen);
|
|
case GrayScale:
|
|
case StaticGray:
|
|
return new PseudoRenderControl(screen);
|
|
default:
|
|
printf(_("RenderControl: Unsupported visual %d specified. Aborting.\n"),
|
|
vclass);
|
|
::exit(1);
|
|
}
|
|
}
|
|
|
|
RenderControl::RenderControl(int screen)
|
|
: _screen(screen)
|
|
{
|
|
printf("Initializing RenderControl\n");
|
|
}
|
|
|
|
RenderControl::~RenderControl()
|
|
{
|
|
printf("Destroying RenderControl\n");
|
|
}
|
|
|
|
void RenderControl::drawRoot(const RenderColor &color) const
|
|
{
|
|
Window root = display->screenInfo(_screen)->rootWindow();
|
|
XSetWindowBackground(**display, root, color.pixel());
|
|
XClearWindow(**display, root);
|
|
}
|
|
|
|
void RenderControl::drawString(Surface& sf, const Font &font, int x, int y,
|
|
const RenderColor &color,
|
|
const ustring &string) const
|
|
{
|
|
assert(sf._screen == _screen);
|
|
XftDraw *d = sf._xftdraw;
|
|
assert(d); // this means that the background hasn't been rendered yet!
|
|
|
|
if (font._shadow) {
|
|
XftColor c;
|
|
c.color.red = 0;
|
|
c.color.green = 0;
|
|
c.color.blue = 0;
|
|
c.color.alpha = font._tint | font._tint << 8; // transparent shadow
|
|
c.pixel = BlackPixel(**display, _screen);
|
|
|
|
if (string.utf8())
|
|
XftDrawStringUtf8(d, &c, font._xftfont, x + font._offset,
|
|
font._xftfont->ascent + y + font._offset,
|
|
(FcChar8*)string.c_str(), string.bytes());
|
|
else
|
|
XftDrawString8(d, &c, font._xftfont, x + font._offset,
|
|
font._xftfont->ascent + y + font._offset,
|
|
(FcChar8*)string.c_str(), string.bytes());
|
|
}
|
|
|
|
XftColor c;
|
|
c.color.red = color.red() | color.red() << 8;
|
|
c.color.green = color.green() | color.green() << 8;
|
|
c.color.blue = color.blue() | color.blue() << 8;
|
|
c.pixel = color.pixel();
|
|
c.color.alpha = 0xff | 0xff << 8; // no transparency in Color yet
|
|
|
|
if (string.utf8())
|
|
XftDrawStringUtf8(d, &c, font._xftfont, x, font._xftfont->ascent + y,
|
|
(FcChar8*)string.c_str(), string.bytes());
|
|
else
|
|
XftDrawString8(d, &c, font._xftfont, x, font._xftfont->ascent + y,
|
|
(FcChar8*)string.c_str(), string.bytes());
|
|
return;
|
|
}
|
|
|
|
void RenderControl::drawSolidBackground(Surface& sf,
|
|
const RenderTexture& texture) const
|
|
{
|
|
assert(_screen == sf._screen);
|
|
assert(_screen == texture.color().screen());
|
|
|
|
if (texture.parentRelative()) return;
|
|
|
|
sf.setPixmap(texture.color());
|
|
|
|
int width = sf.size().width(), height = sf.size().height();
|
|
int left = 0, top = 0, right = width - 1, bottom = height - 1;
|
|
|
|
if (texture.interlaced())
|
|
for (int i = 0; i < height; i += 2)
|
|
XDrawLine(**display, sf.pixmap(), texture.interlaceColor().gc(),
|
|
0, i, width, i);
|
|
|
|
switch (texture.relief()) {
|
|
case RenderTexture::Raised:
|
|
switch (texture.bevel()) {
|
|
case RenderTexture::Bevel1:
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left, bottom, right, bottom);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
right, bottom, right, top);
|
|
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left, top, right, top);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left, bottom, left, top);
|
|
break;
|
|
case RenderTexture::Bevel2:
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left + 1, bottom - 2, right - 2, bottom - 2);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
right - 2, bottom - 2, right - 2, top + 1);
|
|
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left + 1, top + 1, right - 2, top + 1);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left + 1, bottom - 2, left + 1, top + 1);
|
|
break;
|
|
default:
|
|
assert(false); // unhandled RenderTexture::BevelType
|
|
}
|
|
break;
|
|
case RenderTexture::Sunken:
|
|
switch (texture.bevel()) {
|
|
case RenderTexture::Bevel1:
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left, bottom, right, bottom);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
right, bottom, right, top);
|
|
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left, top, right, top);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left, bottom, left, top);
|
|
break;
|
|
case RenderTexture::Bevel2:
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
left + 1, bottom - 2, right - 2, bottom - 2);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
|
|
right - 2, bottom - 2, right - 2, top + 1);
|
|
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left + 1, top + 1, right - 2, top + 1);
|
|
XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
|
|
left + 1, bottom - 2, left + 1, top + 1);
|
|
break;
|
|
default:
|
|
assert(false); // unhandled RenderTexture::BevelType
|
|
}
|
|
break;
|
|
case RenderTexture::Flat:
|
|
if (texture.border())
|
|
XDrawRectangle(**display, sf.pixmap(), texture.borderColor().gc(),
|
|
left, top, right, bottom);
|
|
break;
|
|
default:
|
|
assert(false); // unhandled RenderTexture::ReliefType
|
|
}
|
|
}
|
|
|
|
void RenderControl::drawMask(Surface &sf, const RenderColor &color,
|
|
const PixmapMask &mask) const
|
|
{
|
|
assert(_screen == sf._screen);
|
|
assert(_screen == color.screen());
|
|
|
|
if (mask.mask == None) return; // no mask given
|
|
|
|
int width = sf.size().width(), height = sf.size().height();
|
|
|
|
// set the clip region
|
|
int x = (width - mask.w) / 2, y = (height - mask.h) / 2;
|
|
XSetClipMask(**display, color.gc(), mask.mask);
|
|
XSetClipOrigin(**display, color.gc(), x, y);
|
|
|
|
// fill in the clipped region
|
|
XFillRectangle(**display, sf.pixmap(), color.gc(), x, y,
|
|
x + mask.w, y + mask.h);
|
|
|
|
// unset the clip region
|
|
XSetClipMask(**display, color.gc(), None);
|
|
XSetClipOrigin(**display, color.gc(), 0, 0);
|
|
}
|
|
|
|
void RenderControl::drawGradientBackground(
|
|
Surface &sf, const RenderTexture &texture) const
|
|
{
|
|
unsigned int r,g,b;
|
|
int w = sf.size().width(), h = sf.size().height();
|
|
int off, x;
|
|
|
|
const ScreenInfo *info = display->screenInfo(_screen);
|
|
XImage *im = XCreateImage(**display, info->visual(), info->depth(),
|
|
ZPixmap, 0, NULL, w, h, 32, 0);
|
|
im->byte_order = endian;
|
|
|
|
switch (texture.gradient()) {
|
|
case RenderTexture::Vertical:
|
|
verticalGradient(sf, texture);
|
|
break;
|
|
case RenderTexture::Diagonal:
|
|
diagonalGradient(sf, texture);
|
|
break;
|
|
case RenderTexture::CrossDiagonal:
|
|
crossDiagonalGradient(sf, texture);
|
|
break;
|
|
default:
|
|
printf("unhandled gradient\n");
|
|
}
|
|
|
|
pixel32 *data = sf.pixelData();
|
|
pixel32 current;
|
|
|
|
if (texture.relief() == RenderTexture::Flat && texture.border()) {
|
|
r = texture.borderColor().red();
|
|
g = texture.borderColor().green();
|
|
b = texture.borderColor().blue();
|
|
current = (r << default_red_shift)
|
|
+ (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
for (off = 0, x = 0; x < w; ++x, off++) {
|
|
*(data + off) = current;
|
|
*(data + off + ((h-1) * w)) = current;
|
|
}
|
|
for (off = 0, x = 0; x < h; ++x, off++) {
|
|
*(data + (off * w)) = current;
|
|
*(data + (off * w) + w - 1) = current;
|
|
}
|
|
}
|
|
|
|
if (texture.relief() != RenderTexture::Flat) {
|
|
if (texture.bevel() == RenderTexture::Bevel1) {
|
|
for (off = 1, x = 1; x < w - 1; ++x, off++)
|
|
highlight(data + off,
|
|
data + off + (h-1) * w,
|
|
texture.relief()==RenderTexture::Raised);
|
|
for (off = 0, x = 0; x < h; ++x, off++)
|
|
highlight(data + off * w,
|
|
data + off * w + w - 1,
|
|
texture.relief()==RenderTexture::Raised);
|
|
}
|
|
|
|
if (texture.bevel() == RenderTexture::Bevel2) {
|
|
for (off = 2, x = 2; x < w - 2; ++x, off++)
|
|
highlight(data + off + w,
|
|
data + off + (h-2) * w,
|
|
texture.relief()==RenderTexture::Raised);
|
|
for (off = 1, x = 1; x < h-1; ++x, off++)
|
|
highlight(data + off * w + 1,
|
|
data + off * w + w - 2,
|
|
texture.relief()==RenderTexture::Raised);
|
|
}
|
|
}
|
|
|
|
reduceDepth(sf, im);
|
|
|
|
im->data = (char*) data;
|
|
|
|
sf.setPixmap(im);
|
|
|
|
im->data = NULL;
|
|
XDestroyImage(im);
|
|
}
|
|
|
|
void RenderControl::verticalGradient(Surface &sf,
|
|
const RenderTexture &texture) const
|
|
{
|
|
pixel32 *data = sf.pixelData();
|
|
pixel32 current;
|
|
float dr, dg, db;
|
|
unsigned int r,g,b;
|
|
int w = sf.size().width(), h = sf.size().height();
|
|
|
|
dr = (float)(texture.secondary_color().red() - texture.color().red());
|
|
dr/= (float)h;
|
|
|
|
dg = (float)(texture.secondary_color().green() - texture.color().green());
|
|
dg/= (float)h;
|
|
|
|
db = (float)(texture.secondary_color().blue() - texture.color().blue());
|
|
db/= (float)h;
|
|
|
|
for (int y = 0; y < h; ++y) {
|
|
r = texture.color().red() + (int)(dr * y);
|
|
g = texture.color().green() + (int)(dg * y);
|
|
b = texture.color().blue() + (int)(db * y);
|
|
current = (r << default_red_shift)
|
|
+ (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
for (int x = 0; x < w; ++x, ++data)
|
|
*data = current;
|
|
}
|
|
}
|
|
|
|
void RenderControl::diagonalGradient(Surface &sf,
|
|
const RenderTexture &texture) const
|
|
{
|
|
pixel32 *data = sf.pixelData();
|
|
pixel32 current;
|
|
float drx, dgx, dbx, dry, dgy, dby;
|
|
unsigned int r,g,b;
|
|
int w = sf.size().width(), h = sf.size().height();
|
|
|
|
for (int y = 0; y < h; ++y) {
|
|
drx = (float)(texture.secondary_color().red() - texture.color().red());
|
|
dry = drx/(float)h;
|
|
drx/= (float)w;
|
|
|
|
dgx = (float)(texture.secondary_color().green() - texture.color().green());
|
|
dgy = dgx/(float)h;
|
|
dgx/= (float)w;
|
|
|
|
dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
|
|
dby = dbx/(float)h;
|
|
dbx/= (float)w;
|
|
for (int x = 0; x < w; ++x, ++data) {
|
|
r = texture.color().red() + ((int)(drx * x) + (int)(dry * y))/2;
|
|
g = texture.color().green() + ((int)(dgx * x) + (int)(dgy * y))/2;
|
|
b = texture.color().blue() + ((int)(dbx * x) + (int)(dby * y))/2;
|
|
current = (r << default_red_shift)
|
|
+ (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
*data = current;
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderControl::crossDiagonalGradient(
|
|
Surface &sf, const RenderTexture &texture) const
|
|
{
|
|
pixel32 *data = sf.pixelData();
|
|
pixel32 current;
|
|
float drx, dgx, dbx, dry, dgy, dby;
|
|
unsigned int r,g,b;
|
|
int w = sf.size().width(), h = sf.size().height();
|
|
|
|
for (int y = 0; y < h; ++y) {
|
|
drx = (float)(texture.secondary_color().red() - texture.color().red());
|
|
dry = drx/(float)h;
|
|
drx/= (float)w;
|
|
|
|
dgx = (float)(texture.secondary_color().green() - texture.color().green());
|
|
dgy = dgx/(float)h;
|
|
dgx/= (float)w;
|
|
|
|
dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
|
|
dby = dbx/(float)h;
|
|
dbx/= (float)w;
|
|
for (int x = w; x > 0; --x, ++data) {
|
|
r = texture.color().red() + ((int)(drx * (x-1)) + (int)(dry * y))/2;
|
|
g = texture.color().green() + ((int)(dgx * (x-1)) + (int)(dgy * y))/2;
|
|
b = texture.color().blue() + ((int)(dbx * (x-1)) + (int)(dby * y))/2;
|
|
current = (r << default_red_shift)
|
|
+ (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
*data = current;
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderControl::highlight(pixel32 *x, pixel32 *y, bool raised) const
|
|
{
|
|
int r, g, b;
|
|
|
|
pixel32 *up, *down;
|
|
if (raised) {
|
|
up = x;
|
|
down = y;
|
|
} else {
|
|
up = y;
|
|
down = x;
|
|
}
|
|
r = (*up >> default_red_shift) & 0xFF;
|
|
r += r >> 1;
|
|
g = (*up >> default_green_shift) & 0xFF;
|
|
g += g >> 1;
|
|
b = (*up >> default_blue_shift) & 0xFF;
|
|
b += b >> 1;
|
|
if (r > 255) r = 255;
|
|
if (g > 255) g = 255;
|
|
if (b > 255) b = 255;
|
|
*up = (r << default_red_shift) + (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
|
|
r = (*down >> default_red_shift) & 0xFF;
|
|
r = (r >> 1) + (r >> 2);
|
|
g = (*down >> default_green_shift) & 0xFF;
|
|
g = (g >> 1) + (g >> 2);
|
|
b = (*down >> default_blue_shift) & 0xFF;
|
|
b = (b >> 1) + (b >> 2);
|
|
*down = (r << default_red_shift) + (g << default_green_shift)
|
|
+ (b << default_blue_shift);
|
|
}
|
|
|
|
void RenderControl::drawBackground(Surface& sf,
|
|
const RenderTexture &texture) const
|
|
{
|
|
assert(_screen == sf._screen);
|
|
assert(_screen == texture.color().screen());
|
|
|
|
if (texture.gradient() == RenderTexture::Solid)
|
|
drawSolidBackground(sf, texture);
|
|
else
|
|
drawGradientBackground(sf, texture);
|
|
}
|
|
|
|
|
|
void RenderControl::drawImage(Surface &sf, int w, int h,
|
|
unsigned long *data) const
|
|
{
|
|
pixel32 *bg = sf.pixelData();
|
|
int startx, x, y, c;
|
|
unsigned int i, e;
|
|
x = (sf.size().width() - w) / 2;
|
|
y = (sf.size().height() - h) / 2;
|
|
|
|
if (x < 0) x = 0;
|
|
if (y < 0) y = 0;
|
|
|
|
// XX SCALING!@!&*(@! to make it fit on the surface
|
|
|
|
startx = x;
|
|
|
|
for (i = 0, c = 0, e = w*h; i < e; ++i) {
|
|
unsigned char alpha = data[i] >> 24;
|
|
unsigned char r = data[i] >> 16;
|
|
unsigned char g = data[i] >> 8;
|
|
unsigned char b = data[i];
|
|
|
|
// background color
|
|
unsigned char bgr = bg[i] >> default_red_shift;
|
|
unsigned char bgg = bg[i] >> default_green_shift;
|
|
unsigned char bgb = bg[i] >> default_blue_shift;
|
|
|
|
r = bgr + (r - bgr) * alpha >> 8;
|
|
g = bgg + (g - bgg) * alpha >> 8;
|
|
b = bgb + (b - bgb) * alpha >> 8;
|
|
|
|
bg[i] = (r << default_red_shift) | (g << default_green_shift) |
|
|
(b << default_blue_shift);
|
|
|
|
if (++c >= w) {
|
|
++y;
|
|
x = startx;
|
|
c = 0;
|
|
} else
|
|
++x;
|
|
}
|
|
|
|
const ScreenInfo *info = display->screenInfo(_screen);
|
|
XImage *im = XCreateImage(**display, info->visual(), info->depth(),
|
|
ZPixmap, 0, NULL, sf.size().width(),
|
|
sf.size().height(), 32, 0);
|
|
im->byte_order = endian;
|
|
|
|
reduceDepth(sf, im);
|
|
|
|
im->data = (char*) bg;
|
|
|
|
sf.setPixmap(im);
|
|
|
|
im->data = NULL;
|
|
XDestroyImage(im);
|
|
}
|
|
|
|
}
|