119 lines
3.5 KiB
Go
119 lines
3.5 KiB
Go
package raylib
|
|
|
|
/*
|
|
#include "raylib.h"
|
|
#include <stdlib.h>
|
|
*/
|
|
import "C"
|
|
import "unsafe"
|
|
|
|
// SpriteFont type, includes texture and charSet array data
|
|
type SpriteFont struct {
|
|
// Font texture
|
|
Texture Texture2D
|
|
// Base size (default chars height)
|
|
Size int32
|
|
// Number of characters
|
|
NumChars int32
|
|
// Characters values array
|
|
CharValues []int32
|
|
// Characters rectangles within the texture
|
|
CharRecs []Rectangle
|
|
// Characters offsets (on drawing)
|
|
CharOffsets []Vector2
|
|
// Characters x advance (on drawing)
|
|
CharAdvanceX []int32
|
|
}
|
|
|
|
func (s *SpriteFont) cptr() *C.SpriteFont {
|
|
return (*C.SpriteFont)(unsafe.Pointer(s))
|
|
}
|
|
|
|
// Returns new SpriteFont
|
|
func NewSpriteFont(texture Texture2D, size, numChars int32, charValues []int32, charRecs []Rectangle, charOffsets []Vector2, charAdvanceX []int32) SpriteFont {
|
|
return SpriteFont{texture, size, numChars, charValues, charRecs, charOffsets, charAdvanceX}
|
|
}
|
|
|
|
// Returns new SpriteFont from pointer
|
|
func NewSpriteFontFromPointer(ptr unsafe.Pointer) SpriteFont {
|
|
return *(*SpriteFont)(ptr)
|
|
}
|
|
|
|
// Get the default SpriteFont
|
|
func GetDefaultFont() SpriteFont {
|
|
ret := C.GetDefaultFont()
|
|
v := NewSpriteFontFromPointer(unsafe.Pointer(&ret))
|
|
return v
|
|
}
|
|
|
|
// Load a SpriteFont image into GPU memory
|
|
func LoadSpriteFont(fileName string) SpriteFont {
|
|
cfileName := C.CString(fileName)
|
|
defer C.free(unsafe.Pointer(cfileName))
|
|
ret := C.LoadSpriteFont(cfileName)
|
|
v := NewSpriteFontFromPointer(unsafe.Pointer(&ret))
|
|
return v
|
|
}
|
|
|
|
// Load a SpriteFont from TTF font with parameters
|
|
func LoadSpriteFontTTF(fileName string, fontSize int32, numChars int32, fontChars *int32) SpriteFont {
|
|
cfileName := C.CString(fileName)
|
|
defer C.free(unsafe.Pointer(cfileName))
|
|
cfontSize := (C.int)(fontSize)
|
|
cnumChars := (C.int)(numChars)
|
|
cfontChars := (*C.int)(unsafe.Pointer(fontChars))
|
|
ret := C.LoadSpriteFontTTF(cfileName, cfontSize, cnumChars, cfontChars)
|
|
v := NewSpriteFontFromPointer(unsafe.Pointer(&ret))
|
|
return v
|
|
}
|
|
|
|
// Unload SpriteFont from GPU memory
|
|
func UnloadSpriteFont(spriteFont SpriteFont) {
|
|
cspriteFont := spriteFont.cptr()
|
|
C.UnloadSpriteFont(*cspriteFont)
|
|
}
|
|
|
|
// Draw text (using default font)
|
|
func DrawText(text string, posX int32, posY int32, fontSize int32, color Color) {
|
|
ctext := C.CString(text)
|
|
defer C.free(unsafe.Pointer(ctext))
|
|
cposX := (C.int)(posX)
|
|
cposY := (C.int)(posY)
|
|
cfontSize := (C.int)(fontSize)
|
|
ccolor := color.cptr()
|
|
C.DrawText(ctext, cposX, cposY, cfontSize, *ccolor)
|
|
}
|
|
|
|
// Draw text using SpriteFont and additional parameters
|
|
func DrawTextEx(spriteFont SpriteFont, text string, position Vector2, fontSize float32, spacing int32, tint Color) {
|
|
cspriteFont := spriteFont.cptr()
|
|
ctext := C.CString(text)
|
|
defer C.free(unsafe.Pointer(ctext))
|
|
cposition := position.cptr()
|
|
cfontSize := (C.float)(fontSize)
|
|
cspacing := (C.int)(spacing)
|
|
ctint := tint.cptr()
|
|
C.DrawTextEx(*cspriteFont, ctext, *cposition, cfontSize, cspacing, *ctint)
|
|
}
|
|
|
|
// Measure string width for default font
|
|
func MeasureText(text string, fontSize int32) int32 {
|
|
ctext := C.CString(text)
|
|
defer C.free(unsafe.Pointer(ctext))
|
|
cfontSize := (C.int)(fontSize)
|
|
ret := C.MeasureText(ctext, cfontSize)
|
|
v := (int32)(ret)
|
|
return v
|
|
}
|
|
|
|
// Measure string size for SpriteFont
|
|
func MeasureTextEx(spriteFont SpriteFont, text string, fontSize float32, spacing int32) Vector2 {
|
|
cspriteFont := spriteFont.cptr()
|
|
ctext := C.CString(text)
|
|
defer C.free(unsafe.Pointer(ctext))
|
|
cfontSize := (C.float)(fontSize)
|
|
cspacing := (C.int)(spacing)
|
|
ret := C.MeasureTextEx(*cspriteFont, ctext, cfontSize, cspacing)
|
|
v := NewVector2FromPointer(unsafe.Pointer(&ret))
|
|
return v
|
|
}
|