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REVIEWED: LoadImageSvg()

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This commit is contained in:
Ray 2023-09-02 19:20:56 +02:00
parent d6f3891009
commit 67a693fc5b
1 changed files with 51 additions and 28 deletions
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77
src/rtextures.c
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@ -324,24 +324,35 @@ Image LoadImageSvg(const char *fileNameOrString, int width, int height)
Image image = { 0 }; Image image = { 0 };
bool isSvgStringValid = false; bool isSvgStringValid = false;
// TODO: Validate fileName or string // Validate fileName or string
if (fileNameOrString != NULL) if (fileNameOrString != NULL)
{ {
int dataSize = 0;
unsigned char *fileData = NULL;
if (FileExists(fileNameOrString)) if (FileExists(fileNameOrString))
{ {
int dataSize = 0; fileData = LoadFileData(fileNameOrString, &dataSize);
unsigned char *fileData = LoadFileData(fileNameOrString, &dataSize);
isSvgStringValid = true; isSvgStringValid = true;
} }
else else
{ {
// TODO: Validate it's a valid SVG string // Validate fileData as valid SVG string data
isSvgStringValid = true; //<svg xmlns="http://www.w3.org/2000/svg" width="2500" height="2484" viewBox="0 0 192.756 191.488">
if ((fileNameOrString != NULL) &&
(fileNameOrString[0] == '<') &&
(fileNameOrString[1] == 's') &&
(fileNameOrString[2] == 'v') &&
(fileNameOrString[3] == 'g'))
{
fileData = fileNameOrString;
isSvgStringValid = true;
}
} }
if (isSvgStringValid != NULL) if (isSvgStringValid)
{ {
struct NSVGimage *svgImage = nsvgParse(fileNameOrString, "px", 96.0f); struct NSVGimage *svgImage = nsvgParse(fileData, "px", 96.0f);
unsigned char *img = RL_MALLOC(width*height*4); unsigned char *img = RL_MALLOC(width*height*4);
@ -372,6 +383,8 @@ Image LoadImageSvg(const char *fileNameOrString, int width, int height)
// Free used memory // Free used memory
nsvgDelete(svgImage); nsvgDelete(svgImage);
} }
if (isSvgStringValid && (fileData != fileNameOrString)) UnloadFileData(fileData);
} }
return image; return image;
@ -500,34 +513,44 @@ Image LoadImageFromMemory(const char *fileType, const unsigned char *fileData, i
#if defined(SUPPORT_FILEFORMAT_QOI) #if defined(SUPPORT_FILEFORMAT_QOI)
else if ((strcmp(fileType, ".qoi") == 0) || (strcmp(fileType, ".QOI") == 0)) else if ((strcmp(fileType, ".qoi") == 0) || (strcmp(fileType, ".QOI") == 0))
{ {
qoi_desc desc = { 0 }; if (fileData != NULL)
image.data = qoi_decode(fileData, dataSize, &desc, 4); {
image.width = desc.width; qoi_desc desc = { 0 };
image.height = desc.height; image.data = qoi_decode(fileData, dataSize, &desc, 4);
image.format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8; image.width = desc.width;
image.mipmaps = 1; image.height = desc.height;
image.format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8;
image.mipmaps = 1;
}
} }
#endif #endif
#if defined(SUPPORT_FILEFORMAT_SVG) #if defined(SUPPORT_FILEFORMAT_SVG)
else if ((strcmp(fileType, ".svg") == 0) || (strcmp(fileType, ".SVG") == 0)) else if ((strcmp(fileType, ".svg") == 0) || (strcmp(fileType, ".SVG") == 0))
{ {
// TODO: Validate fileData as valid SVG string data // Validate fileData as valid SVG string data
//<svg xmlns="http://www.w3.org/2000/svg" width="2500" height="2484" viewBox="0 0 192.756 191.488">
if ((fileData != NULL) &&
(fileData[0] == '<') &&
(fileData[1] == 's') &&
(fileData[2] == 'v') &&
(fileData[3] == 'g'))
{
struct NSVGimage *svgImage = nsvgParse(fileData, "px", 96.0f);
unsigned char *img = RL_MALLOC(svgImage->width*svgImage->height*4);
struct NSVGimage *svgImage = nsvgParse(fileData, "px", 96.0f); // Rasterize
unsigned char *img = RL_MALLOC(svgImage->width*svgImage->height*4); struct NSVGrasterizer *rast = nsvgCreateRasterizer();
nsvgRasterize(rast, svgImage, 0, 0, 1.0f, img, svgImage->width, svgImage->height, svgImage->width*4);
// Rasterize // Populate image struct with all data
struct NSVGrasterizer *rast = nsvgCreateRasterizer(); image.data = img;
nsvgRasterize(rast, svgImage, 0, 0, 1.0f, img, svgImage->width, svgImage->height, svgImage->width*4); image.width = svgImage->width;
image.height = svgImage->height;
image.mipmaps = 1;
image.format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8;
// Populate image struct with all data nsvgDelete(svgImage);
image.data = img; }
image.width = svgImage->width;
image.height = svgImage->height;
image.mipmaps = 1;
image.format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8;
nsvgDelete(svgImage);
} }
#endif #endif
#if defined(SUPPORT_FILEFORMAT_DDS) #if defined(SUPPORT_FILEFORMAT_DDS)