added possibility to draw vertical text bottomum and topdown

This commit is contained in:
louis
2015-03-31 06:57:02 +02:00
parent 1ba2ae905a
commit 3d43200af0
10 changed files with 60 additions and 13 deletions

View File

@@ -1,4 +1,5 @@
#include "cairoimage.h"
#include "../libtemplate/templatefunction.h"
cCairoImage::cCairoImage(void) {
surface = NULL;
@@ -21,18 +22,26 @@ void cCairoImage::InitCairoImage(int width, int height) {
cairo_set_antialias(cr, CAIRO_ANTIALIAS_SUBPIXEL);
}
void cCairoImage::DrawTextVertical(string text, tColor color, string font, int size) {
void cCairoImage::DrawTextVertical(string text, tColor color, string font, int size, int direction) {
int imgHeight = GetTextWidth(text, font, size);
InitCairoImage(size * 1.2, imgHeight);
SetColor(color);
cairo_move_to (cr, size, imgHeight);
cairo_font_weight_t fontWeight = CAIRO_FONT_WEIGHT_NORMAL;
cairo_font_slant_t fontSlant = CAIRO_FONT_SLANT_NORMAL;
cairo_select_font_face (cr, font.c_str(), fontSlant, fontWeight);
cairo_set_font_size (cr, size);
cairo_rotate(cr, 3*M_PI/2);
int x = size;
int y = imgHeight;
double rotate = 3*M_PI/2;
if (direction == diTopDown) {
rotate = M_PI/2;
x = size*0.3;
y = 0;
}
cairo_move_to (cr, x, y);
cairo_rotate(cr, rotate);
cairo_show_text (cr, text.c_str());
}

View File

@@ -20,7 +20,7 @@ public:
cCairoImage(void);
virtual ~cCairoImage();
void InitCairoImage(int width, int height);
void DrawTextVertical(string text, tColor color, string font, int size);
void DrawTextVertical(string text, tColor color, string font, int size, int direction);
cImage *GetImage(void);
};
#endif //__CAIROIMAGE_H

View File

@@ -332,17 +332,17 @@ cImage *cImageCache::GetSkinpart(string name, int width, int height) {
return NULL;
}
cImage *cImageCache::GetVerticalText(string text, tColor color, string font, int size) {
cImage *cImageCache::GetVerticalText(string text, tColor color, string font, int size, int direction) {
cMutexLock MutexLock(&mutex);
stringstream buf;
buf << text << "_" << size;
buf << text << "_" << size << "_" << direction;
string imgName = buf.str();
map<string, cImage*>::iterator hit = cairoImageCache.find(imgName);
if (hit != cairoImageCache.end()) {
return (cImage*)hit->second;
} else {
cCairoImage c;
c.DrawTextVertical(text, color, font, size);
c.DrawTextVertical(text, color, font, size, direction);
cImage *image = c.GetImage();
cairoImageCache.insert(pair<string, cImage*>(imgName, image));
hit = cairoImageCache.find(imgName);

View File

@@ -31,7 +31,7 @@ public:
void CacheSkinpart(string path, int width, int height);
cImage *GetSkinpart(string name, int width, int height);
//cairo special images
cImage *GetVerticalText(string text, tColor color, string font, int size);
cImage *GetVerticalText(string text, tColor color, string font, int size, int direction);
//helpers
void Clear(void);
void Debug(bool full);