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dhewm3/neo/ui/DeviceContext.cpp
Timothee 'TTimo' Besset fb1609f554 hello world
2011-11-22 15:28:15 -06:00

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/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "../idlib/precompiled.h"
#pragma hdrstop
#include "DeviceContext.h"
idVec4 idDeviceContext::colorPurple;
idVec4 idDeviceContext::colorOrange;
idVec4 idDeviceContext::colorYellow;
idVec4 idDeviceContext::colorGreen;
idVec4 idDeviceContext::colorBlue;
idVec4 idDeviceContext::colorRed;
idVec4 idDeviceContext::colorBlack;
idVec4 idDeviceContext::colorWhite;
idVec4 idDeviceContext::colorNone;
idCVar gui_smallFontLimit( "gui_smallFontLimit", "0.30", CVAR_GUI | CVAR_ARCHIVE, "" );
idCVar gui_mediumFontLimit( "gui_mediumFontLimit", "0.60", CVAR_GUI | CVAR_ARCHIVE, "" );
idList<fontInfoEx_t> idDeviceContext::fonts;
int idDeviceContext::FindFont( const char *name ) {
int c = fonts.Num();
for (int i = 0; i < c; i++) {
if (idStr::Icmp(name, fonts[i].name) == 0) {
return i;
}
}
// If the font was not found, try to register it
idStr fileName = name;
fileName.Replace("fonts", va("fonts/%s", fontLang.c_str()) );
fontInfoEx_t fontInfo;
int index = fonts.Append( fontInfo );
if ( renderSystem->RegisterFont( fileName, fonts[index] ) ){
idStr::Copynz( fonts[index].name, name, sizeof( fonts[index].name ) );
return index;
} else {
common->Printf( "Could not register font %s [%s]\n", name, fileName.c_str() );
return -1;
}
}
void idDeviceContext::SetupFonts() {
fonts.SetGranularity( 1 );
fontLang = cvarSystem->GetCVarString( "sys_lang" );
// western european languages can use the english font
if ( fontLang == "french" || fontLang == "german" || fontLang == "spanish" || fontLang == "italian" ) {
fontLang = "english";
}
// Default font has to be added first
FindFont( "fonts" );
}
void idDeviceContext::SetFont( int num ) {
if ( num >= 0 && num < fonts.Num() ) {
activeFont = &fonts[num];
} else {
activeFont = &fonts[0];
}
}
void idDeviceContext::Init() {
xScale = 0.0;
SetSize(VIRTUAL_WIDTH, VIRTUAL_HEIGHT);
whiteImage = declManager->FindMaterial("guis/assets/white.tga");
whiteImage->SetSort( SS_GUI );
mbcs = false;
SetupFonts();
activeFont = &fonts[0];
colorPurple = idVec4(1, 0, 1, 1);
colorOrange = idVec4(1, 1, 0, 1);
colorYellow = idVec4(0, 1, 1, 1);
colorGreen = idVec4(0, 1, 0, 1);
colorBlue = idVec4(0, 0, 1, 1);
colorRed = idVec4(1, 0, 0, 1);
colorWhite = idVec4(1, 1, 1, 1);
colorBlack = idVec4(0, 0, 0, 1);
colorNone = idVec4(0, 0, 0, 0);
cursorImages[CURSOR_ARROW] = declManager->FindMaterial("ui/assets/guicursor_arrow.tga");
cursorImages[CURSOR_HAND] = declManager->FindMaterial("ui/assets/guicursor_hand.tga");
scrollBarImages[SCROLLBAR_HBACK] = declManager->FindMaterial("ui/assets/scrollbarh.tga");
scrollBarImages[SCROLLBAR_VBACK] = declManager->FindMaterial("ui/assets/scrollbarv.tga");
scrollBarImages[SCROLLBAR_THUMB] = declManager->FindMaterial("ui/assets/scrollbar_thumb.tga");
scrollBarImages[SCROLLBAR_RIGHT] = declManager->FindMaterial("ui/assets/scrollbar_right.tga");
scrollBarImages[SCROLLBAR_LEFT] = declManager->FindMaterial("ui/assets/scrollbar_left.tga");
scrollBarImages[SCROLLBAR_UP] = declManager->FindMaterial("ui/assets/scrollbar_up.tga");
scrollBarImages[SCROLLBAR_DOWN] = declManager->FindMaterial("ui/assets/scrollbar_down.tga");
cursorImages[CURSOR_ARROW]->SetSort( SS_GUI );
cursorImages[CURSOR_HAND]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_HBACK]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_VBACK]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_THUMB]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_RIGHT]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_LEFT]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_UP]->SetSort( SS_GUI );
scrollBarImages[SCROLLBAR_DOWN]->SetSort( SS_GUI );
cursor = CURSOR_ARROW;
enableClipping = true;
overStrikeMode = true;
mat.Identity();
origin.Zero();
initialized = true;
}
void idDeviceContext::Shutdown() {
fontName.Clear();
clipRects.Clear();
fonts.Clear();
Clear();
}
void idDeviceContext::Clear() {
initialized = false;
useFont = NULL;
activeFont = NULL;
mbcs = false;
}
idDeviceContext::idDeviceContext() {
Clear();
}
void idDeviceContext::SetTransformInfo(const idVec3 &org, const idMat3 &m) {
origin = org;
mat = m;
}
//
// added method
void idDeviceContext::GetTransformInfo(idVec3& org, idMat3& m )
{
m = mat;
org = origin;
}
//
void idDeviceContext::PopClipRect() {
if (clipRects.Num()) {
clipRects.RemoveIndex(clipRects.Num()-1);
}
}
void idDeviceContext::PushClipRect(idRectangle r) {
clipRects.Append(r);
}
void idDeviceContext::PushClipRect(float x, float y, float w, float h) {
clipRects.Append(idRectangle(x, y, w, h));
}
bool idDeviceContext::ClippedCoords(float *x, float *y, float *w, float *h, float *s1, float *t1, float *s2, float *t2) {
if ( enableClipping == false || clipRects.Num() == 0 ) {
return false;
}
int c = clipRects.Num();
while( --c > 0 ) {
idRectangle *clipRect = &clipRects[c];
float ox = *x;
float oy = *y;
float ow = *w;
float oh = *h;
if ( ow <= 0.0f || oh <= 0.0f ) {
break;
}
if (*x < clipRect->x) {
*w -= clipRect->x - *x;
*x = clipRect->x;
} else if (*x > clipRect->x + clipRect->w) {
*x = *w = *y = *h = 0;
}
if (*y < clipRect->y) {
*h -= clipRect->y - *y;
*y = clipRect->y;
} else if (*y > clipRect->y + clipRect->h) {
*x = *w = *y = *h = 0;
}
if (*w > clipRect->w) {
*w = clipRect->w - *x + clipRect->x;
} else if (*x + *w > clipRect->x + clipRect->w) {
*w = clipRect->Right() - *x;
}
if (*h > clipRect->h) {
*h = clipRect->h - *y + clipRect->y;
} else if (*y + *h > clipRect->y + clipRect->h) {
*h = clipRect->Bottom() - *y;
}
if ( s1 && s2 && t1 && t2 && ow > 0.0f ) {
float ns1, ns2, nt1, nt2;
// upper left
float u = ( *x - ox ) / ow;
ns1 = *s1 * ( 1.0f - u ) + *s2 * ( u );
// upper right
u = ( *x + *w - ox ) / ow;
ns2 = *s1 * ( 1.0f - u ) + *s2 * ( u );
// lower left
u = ( *y - oy ) / oh;
nt1 = *t1 * ( 1.0f - u ) + *t2 * ( u );
// lower right
u = ( *y + *h - oy ) / oh;
nt2 = *t1 * ( 1.0f - u ) + *t2 * ( u );
// set values
*s1 = ns1;
*s2 = ns2;
*t1 = nt1;
*t2 = nt2;
}
}
return (*w == 0 || *h == 0) ? true : false;
}
void idDeviceContext::AdjustCoords(float *x, float *y, float *w, float *h) {
if (x) {
*x *= xScale;
}
if (y) {
*y *= yScale;
}
if (w) {
*w *= xScale;
}
if (h) {
*h *= yScale;
}
}
void idDeviceContext::DrawStretchPic(float x, float y, float w, float h, float s1, float t1, float s2, float t2, const idMaterial *shader) {
idDrawVert verts[4];
glIndex_t indexes[6];
indexes[0] = 3;
indexes[1] = 0;
indexes[2] = 2;
indexes[3] = 2;
indexes[4] = 0;
indexes[5] = 1;
verts[0].xyz[0] = x;
verts[0].xyz[1] = y;
verts[0].xyz[2] = 0;
verts[0].st[0] = s1;
verts[0].st[1] = t1;
verts[0].normal[0] = 0;
verts[0].normal[1] = 0;
verts[0].normal[2] = 1;
verts[0].tangents[0][0] = 1;
verts[0].tangents[0][1] = 0;
verts[0].tangents[0][2] = 0;
verts[0].tangents[1][0] = 0;
verts[0].tangents[1][1] = 1;
verts[0].tangents[1][2] = 0;
verts[1].xyz[0] = x + w;
verts[1].xyz[1] = y;
verts[1].xyz[2] = 0;
verts[1].st[0] = s2;
verts[1].st[1] = t1;
verts[1].normal[0] = 0;
verts[1].normal[1] = 0;
verts[1].normal[2] = 1;
verts[1].tangents[0][0] = 1;
verts[1].tangents[0][1] = 0;
verts[1].tangents[0][2] = 0;
verts[1].tangents[1][0] = 0;
verts[1].tangents[1][1] = 1;
verts[1].tangents[1][2] = 0;
verts[2].xyz[0] = x + w;
verts[2].xyz[1] = y + h;
verts[2].xyz[2] = 0;
verts[2].st[0] = s2;
verts[2].st[1] = t2;
verts[2].normal[0] = 0;
verts[2].normal[1] = 0;
verts[2].normal[2] = 1;
verts[2].tangents[0][0] = 1;
verts[2].tangents[0][1] = 0;
verts[2].tangents[0][2] = 0;
verts[2].tangents[1][0] = 0;
verts[2].tangents[1][1] = 1;
verts[2].tangents[1][2] = 0;
verts[3].xyz[0] = x;
verts[3].xyz[1] = y + h;
verts[3].xyz[2] = 0;
verts[3].st[0] = s1;
verts[3].st[1] = t2;
verts[3].normal[0] = 0;
verts[3].normal[1] = 0;
verts[3].normal[2] = 1;
verts[3].tangents[0][0] = 1;
verts[3].tangents[0][1] = 0;
verts[3].tangents[0][2] = 0;
verts[3].tangents[1][0] = 0;
verts[3].tangents[1][1] = 1;
verts[3].tangents[1][2] = 0;
bool ident = !mat.IsIdentity();
if ( ident ) {
verts[0].xyz -= origin;
verts[0].xyz *= mat;
verts[0].xyz += origin;
verts[1].xyz -= origin;
verts[1].xyz *= mat;
verts[1].xyz += origin;
verts[2].xyz -= origin;
verts[2].xyz *= mat;
verts[2].xyz += origin;
verts[3].xyz -= origin;
verts[3].xyz *= mat;
verts[3].xyz += origin;
}
renderSystem->DrawStretchPic( &verts[0], &indexes[0], 4, 6, shader, ident );
}
void idDeviceContext::DrawMaterial(float x, float y, float w, float h, const idMaterial *mat, const idVec4 &color, float scalex, float scaley) {
renderSystem->SetColor(color);
float s0, s1, t0, t1;
//
// handle negative scales as well
if ( scalex < 0 )
{
w *= -1;
scalex *= -1;
}
if ( scaley < 0 )
{
h *= -1;
scaley *= -1;
}
//
if( w < 0 ) { // flip about vertical
w = -w;
s0 = 1 * scalex;
s1 = 0;
}
else {
s0 = 0;
s1 = 1 * scalex;
}
if( h < 0 ) { // flip about horizontal
h = -h;
t0 = 1 * scaley;
t1 = 0;
}
else {
t0 = 0;
t1 = 1 * scaley;
}
if ( ClippedCoords( &x, &y, &w, &h, &s0, &t0, &s1, &t1 ) ) {
return;
}
AdjustCoords(&x, &y, &w, &h);
DrawStretchPic( x, y, w, h, s0, t0, s1, t1, mat);
}
void idDeviceContext::DrawMaterialRotated(float x, float y, float w, float h, const idMaterial *mat, const idVec4 &color, float scalex, float scaley, float angle) {
renderSystem->SetColor(color);
float s0, s1, t0, t1;
//
// handle negative scales as well
if ( scalex < 0 )
{
w *= -1;
scalex *= -1;
}
if ( scaley < 0 )
{
h *= -1;
scaley *= -1;
}
//
if( w < 0 ) { // flip about vertical
w = -w;
s0 = 1 * scalex;
s1 = 0;
}
else {
s0 = 0;
s1 = 1 * scalex;
}
if( h < 0 ) { // flip about horizontal
h = -h;
t0 = 1 * scaley;
t1 = 0;
}
else {
t0 = 0;
t1 = 1 * scaley;
}
if ( angle == 0.0f && ClippedCoords( &x, &y, &w, &h, &s0, &t0, &s1, &t1 ) ) {
return;
}
AdjustCoords(&x, &y, &w, &h);
DrawStretchPicRotated( x, y, w, h, s0, t0, s1, t1, mat, angle);
}
void idDeviceContext::DrawStretchPicRotated(float x, float y, float w, float h, float s1, float t1, float s2, float t2, const idMaterial *shader, float angle) {
idDrawVert verts[4];
glIndex_t indexes[6];
indexes[0] = 3;
indexes[1] = 0;
indexes[2] = 2;
indexes[3] = 2;
indexes[4] = 0;
indexes[5] = 1;
verts[0].xyz[0] = x;
verts[0].xyz[1] = y;
verts[0].xyz[2] = 0;
verts[0].st[0] = s1;
verts[0].st[1] = t1;
verts[0].normal[0] = 0;
verts[0].normal[1] = 0;
verts[0].normal[2] = 1;
verts[0].tangents[0][0] = 1;
verts[0].tangents[0][1] = 0;
verts[0].tangents[0][2] = 0;
verts[0].tangents[1][0] = 0;
verts[0].tangents[1][1] = 1;
verts[0].tangents[1][2] = 0;
verts[1].xyz[0] = x + w;
verts[1].xyz[1] = y;
verts[1].xyz[2] = 0;
verts[1].st[0] = s2;
verts[1].st[1] = t1;
verts[1].normal[0] = 0;
verts[1].normal[1] = 0;
verts[1].normal[2] = 1;
verts[1].tangents[0][0] = 1;
verts[1].tangents[0][1] = 0;
verts[1].tangents[0][2] = 0;
verts[1].tangents[1][0] = 0;
verts[1].tangents[1][1] = 1;
verts[1].tangents[1][2] = 0;
verts[2].xyz[0] = x + w;
verts[2].xyz[1] = y + h;
verts[2].xyz[2] = 0;
verts[2].st[0] = s2;
verts[2].st[1] = t2;
verts[2].normal[0] = 0;
verts[2].normal[1] = 0;
verts[2].normal[2] = 1;
verts[2].tangents[0][0] = 1;
verts[2].tangents[0][1] = 0;
verts[2].tangents[0][2] = 0;
verts[2].tangents[1][0] = 0;
verts[2].tangents[1][1] = 1;
verts[2].tangents[1][2] = 0;
verts[3].xyz[0] = x;
verts[3].xyz[1] = y + h;
verts[3].xyz[2] = 0;
verts[3].st[0] = s1;
verts[3].st[1] = t2;
verts[3].normal[0] = 0;
verts[3].normal[1] = 0;
verts[3].normal[2] = 1;
verts[3].tangents[0][0] = 1;
verts[3].tangents[0][1] = 0;
verts[3].tangents[0][2] = 0;
verts[3].tangents[1][0] = 0;
verts[3].tangents[1][1] = 1;
verts[3].tangents[1][2] = 0;
bool ident = !mat.IsIdentity();
if ( ident ) {
verts[0].xyz -= origin;
verts[0].xyz *= mat;
verts[0].xyz += origin;
verts[1].xyz -= origin;
verts[1].xyz *= mat;
verts[1].xyz += origin;
verts[2].xyz -= origin;
verts[2].xyz *= mat;
verts[2].xyz += origin;
verts[3].xyz -= origin;
verts[3].xyz *= mat;
verts[3].xyz += origin;
}
//Generate a translation so we can translate to the center of the image rotate and draw
idVec3 origTrans;
origTrans.x = x+(w/2);
origTrans.y = y+(h/2);
origTrans.z = 0;
//Rotate the verts about the z axis before drawing them
idMat4 rotz;
rotz.Identity();
float sinAng = idMath::Sin(angle);
float cosAng = idMath::Cos(angle);
rotz[0][0] = cosAng;
rotz[0][1] = sinAng;
rotz[1][0] = -sinAng;
rotz[1][1] = cosAng;
for(int i = 0; i < 4; i++) {
//Translate to origin
verts[i].xyz -= origTrans;
//Rotate
verts[i].xyz = rotz * verts[i].xyz;
//Translate back
verts[i].xyz += origTrans;
}
renderSystem->DrawStretchPic( &verts[0], &indexes[0], 4, 6, shader, (angle == 0.0) ? false : true );
}
void idDeviceContext::DrawFilledRect( float x, float y, float w, float h, const idVec4 &color) {
if ( color.w == 0.0f ) {
return;
}
renderSystem->SetColor(color);
if (ClippedCoords(&x, &y, &w, &h, NULL, NULL, NULL, NULL)) {
return;
}
AdjustCoords(&x, &y, &w, &h);
DrawStretchPic( x, y, w, h, 0, 0, 0, 0, whiteImage);
}
void idDeviceContext::DrawRect( float x, float y, float w, float h, float size, const idVec4 &color) {
if ( color.w == 0.0f ) {
return;
}
renderSystem->SetColor(color);
if (ClippedCoords(&x, &y, &w, &h, NULL, NULL, NULL, NULL)) {
return;
}
AdjustCoords(&x, &y, &w, &h);
DrawStretchPic( x, y, size, h, 0, 0, 0, 0, whiteImage );
DrawStretchPic( x + w - size, y, size, h, 0, 0, 0, 0, whiteImage );
DrawStretchPic( x, y, w, size, 0, 0, 0, 0, whiteImage );
DrawStretchPic( x, y + h - size, w, size, 0, 0, 0, 0, whiteImage );
}
void idDeviceContext::DrawMaterialRect( float x, float y, float w, float h, float size, const idMaterial *mat, const idVec4 &color) {
if ( color.w == 0.0f ) {
return;
}
renderSystem->SetColor(color);
DrawMaterial( x, y, size, h, mat, color );
DrawMaterial( x + w - size, y, size, h, mat, color );
DrawMaterial( x, y, w, size, mat, color );
DrawMaterial( x, y + h - size, w, size, mat, color );
}
void idDeviceContext::SetCursor(int n) {
cursor = (n < CURSOR_ARROW || n >= CURSOR_COUNT) ? CURSOR_ARROW : n;
}
void idDeviceContext::DrawCursor(float *x, float *y, float size) {
if (*x < 0) {
*x = 0;
}
if (*x >= vidWidth) {
*x = vidWidth;
}
if (*y < 0) {
*y = 0;
}
if (*y >= vidHeight) {
*y = vidHeight;
}
renderSystem->SetColor(colorWhite);
AdjustCoords(x, y, &size, &size);
DrawStretchPic( *x, *y, size, size, 0, 0, 1, 1, cursorImages[cursor]);
}
/*
=======================================================================================================================
=======================================================================================================================
*/
void idDeviceContext::PaintChar(float x,float y,float width,float height,float scale,float s,float t,float s2,float t2,const idMaterial *hShader) {
float w, h;
w = width * scale;
h = height * scale;
if (ClippedCoords(&x, &y, &w, &h, &s, &t, &s2, &t2)) {
return;
}
AdjustCoords(&x, &y, &w, &h);
DrawStretchPic(x, y, w, h, s, t, s2, t2, hShader);
}
void idDeviceContext::SetFontByScale(float scale) {
if (scale <= gui_smallFontLimit.GetFloat()) {
useFont = &activeFont->fontInfoSmall;
activeFont->maxHeight = activeFont->maxHeightSmall;
activeFont->maxWidth = activeFont->maxWidthSmall;
} else if (scale <= gui_mediumFontLimit.GetFloat()) {
useFont = &activeFont->fontInfoMedium;
activeFont->maxHeight = activeFont->maxHeightMedium;
activeFont->maxWidth = activeFont->maxWidthMedium;
} else {
useFont = &activeFont->fontInfoLarge;
activeFont->maxHeight = activeFont->maxHeightLarge;
activeFont->maxWidth = activeFont->maxWidthLarge;
}
}
int idDeviceContext::DrawText(float x, float y, float scale, idVec4 color, const char *text, float adjust, int limit, int style, int cursor) {
int len, count;
idVec4 newColor;
const glyphInfo_t *glyph;
float useScale;
SetFontByScale(scale);
useScale = scale * useFont->glyphScale;
count = 0;
if ( text && color.w != 0.0f ) {
const unsigned char *s = (const unsigned char*)text;
renderSystem->SetColor(color);
memcpy(&newColor[0], &color[0], sizeof(idVec4));
len = strlen(text);
if (limit > 0 && len > limit) {
len = limit;
}
while (s && *s && count < len) {
if ( *s < GLYPH_START || *s > GLYPH_END ) {
s++;
continue;
}
glyph = &useFont->glyphs[*s];
//
// int yadj = Assets.textFont.glyphs[text[i]].bottom +
// Assets.textFont.glyphs[text[i]].top; float yadj = scale *
// (Assets.textFont.glyphs[text[i]].imageHeight -
// Assets.textFont.glyphs[text[i]].height);
//
if ( idStr::IsColor((const char*)s) ) {
if ( *(s+1) == C_COLOR_DEFAULT ) {
newColor = color;
} else {
newColor = idStr::ColorForIndex( *(s+1) );
newColor[3] = color[3];
}
if (cursor == count || cursor == count+1) {
float partialSkip = ((glyph->xSkip * useScale) + adjust) / 5.0f;
if ( cursor == count ) {
partialSkip *= 2.0f;
} else {
renderSystem->SetColor(newColor);
}
DrawEditCursor(x - partialSkip, y, scale);
}
renderSystem->SetColor(newColor);
s += 2;
count += 2;
continue;
} else {
float yadj = useScale * glyph->top;
PaintChar(x,y - yadj,glyph->imageWidth,glyph->imageHeight,useScale,glyph->s,glyph->t,glyph->s2,glyph->t2,glyph->glyph);
if (cursor == count) {
DrawEditCursor(x, y, scale);
}
x += (glyph->xSkip * useScale) + adjust;
s++;
count++;
}
}
if (cursor == len) {
DrawEditCursor(x, y, scale);
}
}
return count;
}
void idDeviceContext::SetSize(float width, float height) {
vidWidth = VIRTUAL_WIDTH;
vidHeight = VIRTUAL_HEIGHT;
xScale = yScale = 0.0f;
if ( width != 0.0f && height != 0.0f ) {
xScale = vidWidth * ( 1.0f / width );
yScale = vidHeight * ( 1.0f / height );
}
}
int idDeviceContext::CharWidth( const char c, float scale ) {
glyphInfo_t *glyph;
float useScale;
SetFontByScale(scale);
fontInfo_t *font = useFont;
useScale = scale * font->glyphScale;
glyph = &font->glyphs[(const unsigned char)c];
return idMath::FtoiFast( glyph->xSkip * useScale );
}
int idDeviceContext::TextWidth( const char *text, float scale, int limit ) {
int i, width;
SetFontByScale( scale );
const glyphInfo_t *glyphs = useFont->glyphs;
if ( text == NULL ) {
return 0;
}
width = 0;
if ( limit > 0 ) {
for ( i = 0; text[i] != '\0' && i < limit; i++ ) {
if ( idStr::IsColor( text + i ) ) {
i++;
} else {
width += glyphs[((const unsigned char *)text)[i]].xSkip;
}
}
} else {
for ( i = 0; text[i] != '\0'; i++ ) {
if ( idStr::IsColor( text + i ) ) {
i++;
} else {
width += glyphs[((const unsigned char *)text)[i]].xSkip;
}
}
}
return idMath::FtoiFast( scale * useFont->glyphScale * width );
}
int idDeviceContext::TextHeight(const char *text, float scale, int limit) {
int len, count;
float max;
glyphInfo_t *glyph;
float useScale;
const char *s = text;
SetFontByScale(scale);
fontInfo_t *font = useFont;
useScale = scale * font->glyphScale;
max = 0;
if (text) {
len = strlen(text);
if (limit > 0 && len > limit) {
len = limit;
}
count = 0;
while (s && *s && count < len) {
if ( idStr::IsColor(s) ) {
s += 2;
continue;
}
else {
glyph = &font->glyphs[*(const unsigned char*)s];
if (max < glyph->height) {
max = glyph->height;
}
s++;
count++;
}
}
}
return idMath::FtoiFast( max * useScale );
}
int idDeviceContext::MaxCharWidth(float scale) {
SetFontByScale(scale);
float useScale = scale * useFont->glyphScale;
return idMath::FtoiFast( activeFont->maxWidth * useScale );
}
int idDeviceContext::MaxCharHeight(float scale) {
SetFontByScale(scale);
float useScale = scale * useFont->glyphScale;
return idMath::FtoiFast( activeFont->maxHeight * useScale );
}
const idMaterial *idDeviceContext::GetScrollBarImage(int index) {
if (index >= SCROLLBAR_HBACK && index < SCROLLBAR_COUNT) {
return scrollBarImages[index];
}
return scrollBarImages[SCROLLBAR_HBACK];
}
// this only supports left aligned text
idRegion *idDeviceContext::GetTextRegion(const char *text, float textScale, idRectangle rectDraw, float xStart, float yStart) {
#if 0
const char *p, *textPtr, *newLinePtr;
char buff[1024];
int len, textWidth, newLine, newLineWidth;
float y;
float charSkip = MaxCharWidth(textScale) + 1;
float lineSkip = MaxCharHeight(textScale);
textWidth = 0;
newLinePtr = NULL;
#endif
return NULL;
/*
if (text == NULL) {
return;
}
textPtr = text;
if (*textPtr == '\0') {
return;
}
y = lineSkip + rectDraw.y + yStart;
len = 0;
buff[0] = '\0';
newLine = 0;
newLineWidth = 0;
p = textPtr;
textWidth = 0;
while (p) {
if (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\0') {
newLine = len;
newLinePtr = p + 1;
newLineWidth = textWidth;
}
if ((newLine && textWidth > rectDraw.w) || *p == '\n' || *p == '\0') {
if (len) {
float x = rectDraw.x ;
buff[newLine] = '\0';
DrawText(x, y, textScale, color, buff, 0, 0, 0);
if (!wrap) {
return;
}
}
if (*p == '\0') {
break;
}
y += lineSkip + 5;
p = newLinePtr;
len = 0;
newLine = 0;
newLineWidth = 0;
continue;
}
buff[len++] = *p++;
buff[len] = '\0';
textWidth = TextWidth( buff, textScale, -1 );
}
*/
}
void idDeviceContext::DrawEditCursor( float x, float y, float scale ) {
if ( (int)( com_ticNumber >> 4 ) & 1 ) {
return;
}
SetFontByScale(scale);
float useScale = scale * useFont->glyphScale;
const glyphInfo_t *glyph2 = &useFont->glyphs[(overStrikeMode) ? '_' : '|'];
float yadj = useScale * glyph2->top;
PaintChar(x, y - yadj,glyph2->imageWidth,glyph2->imageHeight,useScale,glyph2->s,glyph2->t,glyph2->s2,glyph2->t2,glyph2->glyph);
}
int idDeviceContext::DrawText( const char *text, float textScale, int textAlign, idVec4 color, idRectangle rectDraw, bool wrap, int cursor, bool calcOnly, idList<int> *breaks, int limit ) {
const char *p, *textPtr, *newLinePtr;
char buff[1024];
int len, newLine, newLineWidth, count;
float y;
float textWidth;
float charSkip = MaxCharWidth( textScale ) + 1;
float lineSkip = MaxCharHeight( textScale );
float cursorSkip = ( cursor >= 0 ? charSkip : 0 );
bool lineBreak, wordBreak;
SetFontByScale( textScale );
textWidth = 0;
newLinePtr = NULL;
if (!calcOnly && !(text && *text)) {
if (cursor == 0) {
renderSystem->SetColor(color);
DrawEditCursor(rectDraw.x, lineSkip + rectDraw.y, textScale);
}
return idMath::FtoiFast( rectDraw.w / charSkip );
}
textPtr = text;
y = lineSkip + rectDraw.y;
len = 0;
buff[0] = '\0';
newLine = 0;
newLineWidth = 0;
p = textPtr;
if ( breaks ) {
breaks->Append(0);
}
count = 0;
textWidth = 0;
lineBreak = false;
wordBreak = false;
while (p) {
if ( *p == '\n' || *p == '\r' || *p == '\0' ) {
lineBreak = true;
if ((*p == '\n' && *(p + 1) == '\r') || (*p == '\r' && *(p + 1) == '\n')) {
p++;
}
}
int nextCharWidth = ( idStr::CharIsPrintable(*p) ? CharWidth( *p, textScale ) : cursorSkip );
// FIXME: this is a temp hack until the guis can be fixed not not overflow the bounding rectangles
// the side-effect is that list boxes and edit boxes will draw over their scroll bars
// The following line and the !linebreak in the if statement below should be removed
nextCharWidth = 0;
if ( !lineBreak && ( textWidth + nextCharWidth ) > rectDraw.w ) {
// The next character will cause us to overflow, if we haven't yet found a suitable
// break spot, set it to be this character
if ( len > 0 && newLine == 0 ) {
newLine = len;
newLinePtr = p;
newLineWidth = textWidth;
}
wordBreak = true;
} else if ( lineBreak || ( wrap && (*p == ' ' || *p == '\t') ) ) {
// The next character is in view, so if we are a break character, store our position
newLine = len;
newLinePtr = p + 1;
newLineWidth = textWidth;
}
if ( lineBreak || wordBreak ) {
float x = rectDraw.x;
if (textAlign == ALIGN_RIGHT) {
x = rectDraw.x + rectDraw.w - newLineWidth;
} else if (textAlign == ALIGN_CENTER) {
x = rectDraw.x + (rectDraw.w - newLineWidth) / 2;
}
if ( wrap || newLine > 0 ) {
buff[newLine] = '\0';
// This is a special case to handle breaking in the middle of a word.
// if we didn't do this, the cursor would appear on the end of this line
// and the beginning of the next.
if ( wordBreak && cursor >= newLine && newLine == len ) {
cursor++;
}
}
if (!calcOnly) {
count += DrawText(x, y, textScale, color, buff, 0, 0, 0, cursor);
}
if ( cursor < newLine ) {
cursor = -1;
} else if ( cursor >= 0 ) {
cursor -= ( newLine + 1 );
}
if ( !wrap ) {
return newLine;
}
if ( ( limit && count > limit ) || *p == '\0' ) {
break;
}
y += lineSkip + 5;
if ( !calcOnly && y > rectDraw.Bottom() ) {
break;
}
p = newLinePtr;
if (breaks) {
breaks->Append(p - text);
}
len = 0;
newLine = 0;
newLineWidth = 0;
textWidth = 0;
lineBreak = false;
wordBreak = false;
continue;
}
buff[len++] = *p++;
buff[len] = '\0';
// update the width
if ( *( buff + len - 1 ) != C_COLOR_ESCAPE && (len <= 1 || *( buff + len - 2 ) != C_COLOR_ESCAPE)) {
textWidth += textScale * useFont->glyphScale * useFont->glyphs[ (const unsigned char)*( buff + len - 1 ) ].xSkip;
}
}
return idMath::FtoiFast( rectDraw.w / charSkip );
}
/*
=============
idRectangle::String
=============
*/
char *idRectangle::String( void ) const {
static int index = 0;
static char str[ 8 ][ 48 ];
char *s;
// use an array so that multiple toString's won't collide
s = str[ index ];
index = (index + 1)&7;
sprintf( s, "%.2f %.2f %.2f %.2f", x, y, w, h );
return s;
}
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